List of unnumbered trans-Neptunian objects: 2003
The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2003. As of October 2020, it contains a total of 142 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.
2003
| Designation | First Observed (discovered) | D (km) | Orbital description | Remarks | Refs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Observer (Site) |
Class | a (AU) |
e | i (°) |
q (AU) |
Q (AU) | ||||
| 2003 BF91 | 27 January 2003 | G. Bernstein D. Trilling (250) | 20 | cubewano (cold) | 42.7 | 0.01 | 2 | 42.1 | 43.4 | — | MPC · JPL |
| 2003 BG91 | 27 January 2003 | G. Bernstein D. Trilling (250) | 32 | cubewano (cold) | 43.4 | 0.10 | 3 | 39.1 | 47.8 | — | MPC · JPL |
| 2003 BH91 | 27 January 2003 | G. Bernstein D. Trilling (250) | 18 | cubewano (cold) | 44.0 | 0.03 | 2 | 42.6 | 45.4 | — | MPC · JPL |
| 2003 FA130 | 24 March 2003 | Mauna Kea Obs. (568) | 161 | cubewano (cold) | 42.9 | 0.04 | 0 | 41.2 | 44.5 | — | MPC · JPL |
| 2003 FB130 | 24 March 2003 | Mauna Kea Obs. (568) | 140 | cubewano (hot) | 43.0 | 0.11 | 24 | 38.2 | 47.8 | — | MPC · JPL |
| 2003 FD128 | 31 March 2003 | M. W. Buie (695) | 154 | other TNO | 38.4 | 0.02 | 5 | 37.5 | 39.2 | — | MPC · JPL |
| 2003 FH127 | 30 March 2003 | M. W. Buie (695) | 222 | cubewano (cold) | 44.8 | 0.08 | 0 | 41.1 | 48.5 | — | MPC · JPL |
| 2003 FH129 | 30 March 2003 | M. W. Buie (695) | 97 | centaur | 70.8 | 0.61 | 19 | 27.8 | 114 | — | MPC · JPL |
| 2003 FJ127 | 30 March 2003 | M. W. Buie (695) | 140 | other TNO | 45.1 | 0.26 | 23 | 33.2 | 57.1 | — | MPC · JPL |
| 2003 FL127 | 31 March 2003 | M. W. Buie (695) | 212 | plutino | 39.3 | 0.23 | 4 | 30.1 | 48.5 | — | MPC · JPL |
| 2003 FM127 | 31 March 2003 | M. W. Buie (695) | 168 | cubewano (cold) | 44.0 | 0.06 | 4 | 41.5 | 46.6 | — | MPC · JPL |
| 2003 FM129 | 31 March 2003 | DLS (807) | 232 | SDO | 51.0 | 0.28 | 18 | 36.5 | 65.5 | — | MPC · JPL |
| 2003 FZ129 | 24 March 2003 | Mauna Kea Obs. (568) | 147 | SDO | 62.4 | 0.39 | 6 | 38.1 | 86.8 | BR-mag: 1.32; taxonomy: BR | MPC · JPL |
| 2003 GF55 | 1 April 2003 | M. W. Buie (695) | 212 | cubewano (hot) | 45.8 | 0.05 | 6 | 43.6 | 48.0 | — | MPC · JPL |
| 2003 GM53 | 1 April 2003 | M. W. Buie (695) | 185 | cubewano (hot) | 44.5 | 0.05 | 7 | 42.2 | 46.7 | — | MPC · JPL |
| 2003 HA57 | 26 April 2003 | Mauna Kea Obs. (568) | 106 | plutino | 39.7 | 0.18 | 28 | 32.7 | 46.7 | — | MPC · JPL |
| 2003 HD57 | 26 April 2003 | Mauna Kea Obs. (568) | 117 | plutino | 39.7 | 0.18 | 6 | 32.5 | 46.9 | — | MPC · JPL |
| 2003 HE57 | 26 April 2003 | Mauna Kea Obs. (568) | 154 | cubewano (hot) | 44.3 | 0.10 | 9 | 39.8 | 48.8 | — | MPC · JPL |
| 2003 HF57 | 26 April 2003 | Mauna Kea Obs. (568) | 84 | plutino | 39.7 | 0.20 | 1 | 31.9 | 47.5 | — | MPC · JPL |
| 2003 HG57 | 26 April 2003 | Mauna Kea Obs. (568) | 156 | cubewano (cold) | 44.0 | 0.04 | 2 | 42.3 | 45.6 | binary: 156 km | MPC · JPL |
| 2003 HH57 | 26 April 2003 | Mauna Kea Obs. (568) | 147 | cubewano (cold) | 44.3 | 0.09 | 1 | 40.3 | 48.3 | — | MPC · JPL |
| 2003 HJ57 | 26 April 2003 | Mauna Kea Obs. (568) | 97 | plutino? | 39.7 | 0.25 | 22 | 29.8 | 49.6 | — | MPC · JPL |
| 2003 HK57 | 26 April 2003 | Mauna Kea Obs. (568) | 111 | cubewano (hot) | 43.4 | 0.07 | 6 | 40.2 | 46.7 | — | MPC · JPL |
| 2003 HL57 | 26 April 2003 | Mauna Kea Obs. (568) | 243 | cubewano (hot) | 46.2 | 0.20 | 9 | 37.2 | 55.2 | — | MPC · JPL |
| 2003 HM57 | 26 April 2003 | Mauna Kea Obs. (568) | 93 | centaur | 42.6 | 0.68 | 11 | 13.5 | 71.6 | — | MPC · JPL |
| 2003 HN57 | 26 April 2003 | Mauna Kea Obs. (568) | 140 | cubewano (cold) | 44.4 | 0.07 | 2 | 41.5 | 47.4 | — | MPC · JPL |
| 2003 HO57 | 26 April 2003 | Mauna Kea Obs. (568) | 111 | cubewano (cold) | 46.7 | 0.16 | 4 | 39.1 | 54.2 | — | MPC · JPL |
| 2003 HP57 | 26 April 2003 | Mauna Kea Obs. (568) | 232 | cubewano (hot) | 46.7 | 0.19 | 38 | 37.9 | 55.4 | — | MPC · JPL |
| 2003 HX56 | 26 April 2003 | Mauna Kea Obs. (568) | 168 | other TNO | 47.4 | 0.22 | 30 | 36.9 | 57.9 | BR-mag: 1.01 | MPC · JPL |
| 2003 HZ56 | 26 April 2003 | Mauna Kea Obs. (568) | 140 | cubewano (cold) | 43.9 | 0.01 | 3 | 43.5 | 44.2 | — | MPC · JPL |
| 2003 KO20 | 30 May 2003 | M. W. Buie (807) | 212 | cubewano (cold) | 44.2 | 0.04 | 2 | 42.5 | 45.9 | — | MPC · JPL |
| 2003 KP20 | 30 May 2003 | M. W. Buie (807) | 161 | cubewano (cold) | 44.8 | 0.12 | 2 | 39.5 | 50.2 | — | MPC · JPL |
| 2003 LA7 | 1 June 2003 | M. W. Buie (807) | 222 | res · 1:4 | 77.6 | 0.54 | 6 | 36.0 | 119 | — | MPC · JPL |
| 2003 LC7 | 1 June 2003 | M. W. Buie (807) | 255 | cubewano (cold) | 45.1 | 0.12 | 5 | 39.9 | 50.4 | — | MPC · JPL |
| 2003 LD7 | 1 June 2003 | M. W. Buie (807) | 185 | cubewano (cold) | 42.9 | 0.04 | 2 | 41.1 | 44.7 | — | MPC · JPL |
| 2003 LD9 | 1 June 2003 | M. W. Buie K. J. Meech (807) | 193 | other TNO | 47.7 | 0.18 | 7 | 39.3 | 56.1 | — | MPC · JPL |
| 2003 LE7 | 1 June 2003 | M. W. Buie (807) | 134 | plutino? | 39.3 | 0.21 | 19 | 31.2 | 47.4 | — | MPC · JPL |
| 2003 LF7 | 1 June 2003 | M. W. Buie (807) | 117 | plutino? | 39.5 | 0.13 | 3 | 34.5 | 44.5 | — | MPC · JPL |
| 2003 LZ6 | 1 June 2003 | M. W. Buie (807) | 222 | cubewano (hot) | 43.5 | 0.00 | 7 | 43.5 | 43.5 | — | MPC · JPL |
| 2003 OS33 | 31 July 2003 | Mauna Kea Obs. (568) | 122 | SDO | 69.5 | 0.53 | 21 | 33.0 | 106 | — | MPC · JPL |
| 2003 QA92 | 24 August 2003 | M. W. Buie (807) | 185 | other TNO | 38.4 | 0.06 | 3 | 36.1 | 40.7 | BR-mag: 1.67 | MPC · JPL |
| 2003 QB91 | 24 August 2003 | M. W. Buie (807) | 193 | plutino | 39.3 | 0.19 | 7 | 31.7 | 46.9 | — | MPC · JPL |
| 2003 QB112 | 26 August 2003 | M. W. Buie (807) | 161 | cubewano (hot) | 44.0 | 0.11 | 11 | 39.2 | 48.8 | — | MPC · JPL |
| 2003 QC91 | 25 August 2003 | M. W. Buie (807) | 176 | cubewano (cold) | 43.5 | 0.00 | 3 | 43.5 | 43.5 | — | MPC · JPL |
| 2003 QD91 | 23 August 2003 | M. W. Buie (807) | 154 | cubewano (cold) | 43.3 | 0.04 | 2 | 41.8 | 44.8 | — | MPC · JPL |
| 2003 QE91 | 23 August 2003 | M. W. Buie (807) | 154 | cubewano (cold) | 43.0 | 0.05 | 4 | 40.8 | 45.2 | — | MPC · JPL |
| 2003 QE112 | 26 August 2003 | M. W. Buie (807) | 212 | cubewano (cold) | 43.1 | 0.04 | 4 | 41.4 | 44.8 | — | MPC · JPL |
| 2003 QF91 | 23 August 2003 | M. W. Buie (807) | 154 | cubewano (cold) | 43.0 | 0.04 | 2 | 41.4 | 44.6 | — | MPC · JPL |
| 2003 QG91 | 24 August 2003 | M. W. Buie (807) | 154 | cubewano (cold) | 42.7 | 0.02 | 2 | 41.9 | 43.5 | — | MPC · JPL |
| 2003 QJ91 | 24 August 2003 | M. W. Buie (807) | 202 | cubewano (cold) | 44.4 | 0.04 | 3 | 42.7 | 46.1 | — | MPC · JPL |
| 2003 QK91 | 25 August 2003 | M. W. Buie (807) | 154 | SDO | 68.6 | 0.44 | 4 | 38.5 | 98.8 | BR-mag: 1.37; taxonomy: BR | MPC · JPL |
| 2003 QL91 | 25 August 2003 | M. W. Buie (807) | 185 | cubewano (cold) | 43.1 | 0.01 | 2 | 42.6 | 43.6 | — | MPC · JPL |
| 2003 QM91 | 25 August 2003 | M. W. Buie (807) | 222 | cubewano (cold) | 43.3 | 0.05 | 3 | 41.2 | 45.4 | — | MPC · JPL |
| 2003 QM112 | 29 August 2003 | S. S. Sheppard D. C. Jewitt J. Kleyna (568) | 7 | centaur | 83.4 | 0.84 | 16 | 13.2 | 154 | — | MPC · JPL |
| 2003 QN91 | 23 August 2003 | M. W. Buie (807) | 154 | cubewano (cold) | 42.6 | 0.11 | 4 | 37.9 | 47.3 | — | MPC · JPL |
| 2003 QO91 | 23 August 2003 | M. W. Buie (807) | 185 | cubewano (hot) | 45.4 | 0.13 | 7 | 39.3 | 51.5 | — | MPC · JPL |
| 2003 QO112 | 29 August 2003 | S. S. Sheppard D. C. Jewitt J. Kleyna (568) | 18 | centaur | 33.3 | 0.50 | 7 | 16.5 | 50.1 | — | MPC · JPL |
| 2003 QP91 | 23 August 2003 | M. W. Buie (807) | 232 | cubewano (hot) | 43.5 | 0.14 | 6 | 37.5 | 49.5 | — | MPC · JPL |
| 2003 QQ91 | 23 August 2003 | M. W. Buie (807) | 134 | other TNO | 38.7 | 0.07 | 5 | 36.0 | 41.3 | BR-mag: 1.18 | MPC · JPL |
| 2003 QR91 | 24 August 2003 | M. W. Buie (807) | 207 | cubewano (cold) | 47.0 | 0.19 | 4 | 38.1 | 55.8 | albedo: 0.054; binary: 189 km | MPC · JPL |
| 2003 QS91 | 25 August 2003 | M. W. Buie (807) | 128 | cubewano (cold) | 46.2 | 0.14 | 4 | 39.6 | 52.9 | — | MPC · JPL |
| 2003 QT90 | 23 August 2003 | M. W. Buie (807) | 193 | cubewano (cold) | 44.0 | 0.06 | 2 | 41.6 | 46.5 | — | MPC · JPL |
| 2003 QT91 | 25 August 2003 | M. W. Buie (807) | 168 | cubewano (cold) | 44.3 | 0.09 | 0 | 40.5 | 48.2 | — | MPC · JPL |
| 2003 QU90 | 23 August 2003 | M. W. Buie (807) | 161 | cubewano (cold) | 43.4 | 0.01 | 2 | 43.0 | 43.7 | — | MPC · JPL |
| 2003 QU91 | 25 August 2003 | M. W. Buie (807) | 147 | cubewano (hot) | 43.6 | 0.14 | 26 | 37.6 | 49.7 | — | MPC · JPL |
| 2003 QV90 | 23 August 2003 | M. W. Buie (807) | 176 | cubewano (cold) | 43.8 | 0.05 | 2 | 41.6 | 46.1 | — | MPC · JPL |
| 2003 QV91 | 23 August 2003 | M. W. Buie (807) | 140 | plutino? | 39.5 | 0.35 | 33 | 25.7 | 53.3 | — | MPC · JPL |
| 2003 QW91 | 23 August 2003 | M. W. Buie (807) | 67 | plutino? | 39.5 | 0.27 | 5 | 28.7 | 50.2 | — | MPC · JPL |
| 2003 QX90 | 24 August 2003 | M. W. Buie (807) | 193 | cubewano (cold) | 44.1 | 0.02 | 3 | 43.3 | 44.8 | — | MPC · JPL |
| 2003 QX91 | 23 August 2003 | M. W. Buie (807) | 93 | res · 4:7 | 43.7 | 0.25 | 28 | 32.7 | 54.7 | — | MPC · JPL |
| 2003 QX111 | 25 August 2003 | M. W. Buie (807) | 434 | plutino | 39.4 | 0.14 | 10 | 34.1 | 44.7 | albedo: 0.018 | MPC · JPL |
| 2003 QX113 | 31 August 2003 | Mauna Kea Obs. (568) | 423 | other TNO | 49.8 | 0.25 | 7 | 37.3 | 62.3 | — | MPC · JPL |
| 2003 QY90 | 24 August 2003 | M. W. Buie (807) | 81 | cubewano (cold) | 42.9 | 0.05 | 4 | 40.8 | 44.9 | albedo: 0.310; binary: 80 km | MPC · JPL |
| 2003 QY91 | 23 August 2003 | M. W. Buie (807) | 128 | SDO | 82.5 | 0.61 | 26 | 32.0 | 133 | — | MPC · JPL |
| 2003 QY111 | 25 August 2003 | M. W. Buie (807) | 185 | cubewano (cold) | 43.4 | 0.04 | 3 | 41.7 | 45.2 | — | MPC · JPL |
| 2003 QY113 | 31 August 2003 | Mauna Kea Obs. (568) | 202 | cubewano (cold) | 45.3 | 0.03 | 3 | 43.9 | 46.8 | — | MPC · JPL |
| 2003 QZ90 | 24 August 2003 | M. W. Buie (807) | 202 | cubewano (hot) | 43.6 | 0.00 | 6 | 43.6 | 43.6 | — | MPC · JPL |
| 2003 QZ111 | 26 August 2003 | M. W. Buie (807) | 176 | cubewano (cold) | 43.0 | 0.06 | 3 | 40.4 | 45.7 | — | MPC · JPL |
| 2003 SN317 | 25 September 2003 | Mauna Kea Obs. (568) | 222 | cubewano (cold) | 42.4 | 0.04 | 2 | 40.5 | 44.3 | — | MPC · JPL |
| 2003 SO317 | 25 September 2003 | Mauna Kea Obs. (568) | 106 | plutino | 39.3 | 0.28 | 7 | 28.4 | 50.2 | — | MPC · JPL |
| 2003 SQ317 | 25 September 2003 | Mauna Kea Obs. (568) | 212 | Haumea | 42.7 | 0.08 | 29 | 39.2 | 46.2 | BR-mag: 1.05; suspected binary | MPC · JPL |
| 2003 SR317 | 25 September 2003 | Mauna Kea Obs. (568) | 128 | plutino | 39.4 | 0.17 | 8 | 32.8 | 46.0 | — | MPC · JPL |
| 2003 SS422 | 28 September 2003 | Cerro Tololo Obs. (807) | 168 | ESDO | 196 | 0.80 | 17 | 39.4 | 354 | ETNO | MPC · JPL |
| 2003 TH58 | 3 October 2003 | Mauna Kea Obs. (568) | 168 | plutino | 39.2 | 0.09 | 28 | 35.8 | 42.6 | BR-mag: 0.87; taxonomy: U | MPC · JPL |
| 2003 TJ58 | 3 October 2003 | Mauna Kea Obs. (568) | 65 | cubewano (cold) | 44.2 | 0.08 | 1 | 40.5 | 47.9 | albedo: 0.285; binary: 51 km | MPC · JPL |
| 2003 TK58 | 3 October 2003 | Mauna Kea Obs. (568) | 193 | cubewano (cold) | 42.9 | 0.07 | 3 | 39.9 | 45.9 | — | MPC · JPL |
| 2003 TL58 | 3 October 2003 | Mauna Kea Obs. (568) | 176 | cubewano (hot) | 43.3 | 0.04 | 8 | 41.5 | 45.1 | — | MPC · JPL |
| 2003 UA292 | 22 October 2003 | M. W. Buie (695) | 267 | cubewano (hot) | 46.8 | 0.15 | 11 | 39.8 | 53.8 | — | MPC · JPL |
| 2003 UA414 | 18 October 2003 | NEAT (644) | 443 | res · 2:9 | 82.7 | 0.56 | 22 | 36.5 | 129 | — | MPC · JPL |
| 2003 UB292 | 23 October 2003 | M. W. Buie (695) | 321 | cubewano (hot) | 46.9 | 0.06 | 19 | 44.1 | 49.7 | — | MPC · JPL |
| 2003 UC292 | 23 October 2003 | M. W. Buie (695) | 185 | cubewano (cold) | 45.1 | 0.09 | 4 | 41.2 | 49.1 | — | MPC · JPL |
| 2003 UC414 | 30 October 2003 | Cerro Tololo Obs. (807) | 97 | centaur | 44.9 | 0.64 | 26 | 16.3 | 73.5 | — | MPC · JPL |
| 2003 UD292 | 23 October 2003 | M. W. Buie (695) | 212 | cubewano (hot) | 46.0 | 0.11 | 8 | 40.9 | 51.1 | — | MPC · JPL |
| 2003 UE292 | 23 October 2003 | M. W. Buie (695) | 202 | cubewano (hot) | 43.5 | 0.14 | 19 | 37.6 | 49.3 | — | MPC · JPL |
| 2003 UF292 | 23 October 2003 | M. W. Buie (695) | 154 | cubewano (hot) | 44.8 | 0.13 | 31 | 39.1 | 50.5 | — | MPC · JPL |
| 2003 UG292 | 23 October 2003 | M. W. Buie (695) | 176 | cubewano (hot) | 43.4 | 0.10 | 7 | 39.1 | 47.7 | — | MPC · JPL |
| 2003 UH292 | 24 October 2003 | M. W. Buie (695) | 128 | cubewano (hot) | 43.9 | 0.07 | 7 | 41.0 | 46.9 | — | MPC · JPL |
| 2003 UK292 | 24 October 2003 | M. W. Buie (695) | 161 | cubewano (hot) | 43.2 | 0.11 | 13 | 38.5 | 47.9 | — | MPC · JPL |
| 2003 UK293 | 23 October 2003 | M. W. Buie (695) | 147 | cubewano (cold) | 42.2 | 0.07 | 3 | 39.2 | 45.2 | — | MPC · JPL |
| 2003 UL292 | 24 October 2003 | M. W. Buie (695) | 154 | cubewano (cold) | 44.9 | 0.07 | 4 | 41.5 | 48.3 | — | MPC · JPL |
| 2003 UM292 | 24 October 2003 | M. W. Buie (695) | 176 | cubewano (hot) | 46.1 | 0.19 | 18 | 37.4 | 54.7 | — | MPC · JPL |
| 2003 UN284 | 24 October 2003 | M. W. Buie (695) | 124 | cubewano (cold) | 42.4 | 0.01 | 3 | 42.2 | 42.6 | albedo: 0.090; binary: 83 km | MPC · JPL |
| 2003 UN292 | 24 October 2003 | M. W. Buie (695) | 140 | cubewano (cold) | 44.7 | 0.10 | 1 | 40.0 | 49.3 | — | MPC · JPL |
| 2003 UO292 | 22 October 2003 | M. W. Buie (695) | 147 | plutino? | 39.4 | 0.19 | 5 | 32.0 | 46.8 | — | MPC · JPL |
| 2003 UP292 | 23 October 2003 | M. W. Buie (695) | 161 | twotino | 47.4 | 0.41 | 13 | 27.9 | 66.9 | — | MPC · JPL |
| 2003 UQ292 | 23 October 2003 | M. W. Buie (695) | 176 | plutino? | 39.5 | 0.12 | 3 | 34.6 | 44.4 | — | MPC · JPL |
| 2003 US291 | 22 October 2003 | M. W. Buie (695) | 168 | cubewano (hot) | 44.9 | 0.00 | 24 | 44.9 | 44.9 | — | MPC · JPL |
| 2003 UT291 | 22 October 2003 | M. W. Buie (695) | 232 | cubewano (cold) | 42.6 | 0.07 | 2 | 39.7 | 45.4 | — | MPC · JPL |
| 2003 UT292 | 24 October 2003 | M. W. Buie (695) | 186 | plutino | 39.0 | 0.29 | 18 | 27.7 | 50.3 | albedo: 0.067 | MPC · JPL |
| 2003 UU291 | 23 October 2003 | M. W. Buie (695) | 168 | cubewano (cold) | 44.2 | 0.00 | 3 | 44.2 | 44.2 | — | MPC · JPL |
| 2003 UU292 | 24 October 2003 | M. W. Buie (695) | 101 | plutino? | 39.5 | 0.13 | 17 | 34.3 | 44.7 | — | MPC · JPL |
| 2003 UV291 | 23 October 2003 | M. W. Buie (695) | 154 | cubewano (cold) | 43.4 | 0.04 | 2 | 41.7 | 45.2 | — | MPC · JPL |
| 2003 UV292 | 24 October 2003 | M. W. Buie (695) | 154 | plutino | 39.1 | 0.21 | 11 | 30.7 | 47.5 | — | MPC · JPL |
| 2003 UW291 | 23 October 2003 | M. W. Buie (695) | 243 | cubewano (hot) | 44.6 | 0.00 | 12 | 44.6 | 44.6 | — | MPC · JPL |
| 2003 UX291 | 23 October 2003 | M. W. Buie (695) | 176 | cubewano (hot) | 46.5 | 0.00 | 11 | 46.5 | 46.5 | — | MPC · JPL |
| 2003 UX292 | 23 October 2003 | M. W. Buie (695) | 212 | cubewano (hot) | 44.1 | 0.12 | 11 | 38.6 | 49.5 | — | MPC · JPL |
| 2003 UY291 | 24 October 2003 | M. W. Buie (695) | 147 | other TNO | 48.9 | 0.16 | 4 | 41.1 | 56.7 | BR-mag: 1.39; taxonomy: BB | MPC · JPL |
| 2003 UZ291 | 22 October 2003 | M. W. Buie (695) | 222 | cubewano (hot) | 44.9 | 0.13 | 5 | 38.9 | 50.9 | — | MPC · JPL |
| 2003 UZ292 | 24 October 2003 | M. W. Buie (695) | 128 | cubewano (hot) | 43.1 | 0.14 | 22 | 37.2 | 49.1 | — | MPC · JPL |
| 2003 WA191 | 23 November 2003 | M. W. Buie (695) | 134 | plutino | 39.1 | 0.23 | 5 | 30.0 | 48.2 | — | MPC · JPL |
| 2003 WN193 | 17 November 2003 | Cerro Tololo Obs. (807) | 88 | plutino | 39.4 | 0.25 | 22 | 29.4 | 49.4 | — | MPC · JPL |
| 2003 WO193 | 29 November 2003 | Cerro Tololo Obs. (807) | 101 | other TNO | 38.6 | 0.19 | 7 | 31.4 | 45.8 | — | MPC · JPL |
| 2003 WQ188 | 20 November 2003 | M. W. Buie (695) | 293 | cubewano (hot) | 46.3 | 0.00 | 6 | 46.3 | 46.3 | — | MPC · JPL |
| 2003 WS184 | 20 November 2003 | M. W. Buie (695) | 147 | cubewano (cold) | 44.0 | 0.05 | 3 | 41.8 | 46.2 | — | MPC · JPL |
| 2003 WS188 | 20 November 2003 | M. W. Buie (695) | 70 | plutino? | 39.3 | 0.24 | 6 | 30.0 | 48.7 | — | MPC · JPL |
| 2003 WU188 | 24 November 2003 | M. W. Buie (695) | 178 | cubewano (cold) | 43.9 | 0.04 | 4 | 42.2 | 45.5 | albedo: 0.150; binary: 129 km | MPC · JPL |
| 2003 WV188 | 20 November 2003 | M. W. Buie (695) | 168 | cubewano (hot) | 45.9 | 0.00 | 8 | 45.9 | 45.9 | — | MPC · JPL |
| 2003 WW188 | 21 November 2003 | M. W. Buie (695) | 147 | cubewano (hot) | 44.3 | 0.08 | 5 | 40.9 | 47.6 | — | MPC · JPL |
| 2003 YJ179 | 16 December 2003 | Mauna Kea Obs. (568) | 168 | cubewano (cold) | 43.4 | 0.07 | 1 | 40.2 | 46.6 | — | MPC · JPL |
| 2003 YK179 | 16 December 2003 | Mauna Kea Obs. (568) | 140 | cubewano (hot) | 41.5 | 0.14 | 20 | 35.5 | 47.4 | — | MPC · JPL |
| 2003 YM179 | 16 December 2003 | Mauna Kea Obs. (568) | 111 | other TNO | 40.8 | 0.06 | 24 | 38.4 | 43.2 | — | MPC · JPL |
| 2003 YN179 | 16 December 2003 | Mauna Kea Obs. (568) | 193 | cubewano (cold) | 44.0 | 0.01 | 3 | 43.6 | 44.5 | — | MPC · JPL |
| 2003 YP179 | 24 December 2003 | Mauna Kea Obs. (568) | 147 | cubewano (cold) | 43.9 | 0.08 | 1 | 40.5 | 47.2 | — | MPC · JPL |
| 2003 YQ179 | 24 December 2003 | Mauna Kea Obs. (568) | 176 | SDO | 88.0 | 0.58 | 21 | 37.2 | 139 | — | MPC · JPL |
| 2003 YR179 | 24 December 2003 | Mauna Kea Obs. (568) | 168 | cubewano (hot) | 43.3 | 0.05 | 10 | 41.1 | 45.4 | — | MPC · JPL |
| 2003 YS179 | 24 December 2003 | Mauna Kea Obs. (568) | 146 | cubewano (cold) | 43.3 | 0.03 | 4 | 42.2 | 44.5 | binary: 126 km | MPC · JPL |
| 2003 YT179 | 24 December 2003 | Mauna Kea Obs. (568) | 168 | cubewano (cold) | 43.3 | 0.03 | 2 | 42.0 | 44.6 | — | MPC · JPL |
| 2003 YU179 | 24 December 2003 | Mauna Kea Obs. (568) | 193 | cubewano (cold) | 46.4 | 0.15 | 5 | 39.3 | 53.6 | binary: 106 km | MPC · JPL |
| 2003 YV179 | 24 December 2003 | Mauna Kea Obs. (568) | 176 | other TNO | 46.9 | 0.22 | 16 | 36.7 | 57.1 | — | MPC · JPL |
| 2003 YX179 | 24 December 2003 | Mauna Kea Obs. (568) | 176 | cubewano (cold) | 43.3 | 0.04 | 5 | 41.7 | 45.0 | — | MPC · JPL |
| 2003 YY179 | 16 December 2003 | Mauna Kea Obs. (568) | 67 | plutino? | 39.6 | 0.16 | 11 | 33.4 | 45.7 | — | MPC · JPL |
| 2003 YZ179 | 24 December 2003 | Mauna Kea Obs. (568) | 134 | cubewano (hot) | 43.2 | 0.12 | 13 | 38.2 | 48.1 | — | MPC · JPL |
References
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