List of unnumbered trans-Neptunian objects: 2009
The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2009. As of October 2020, it contains a total of 48 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.
2009
| Designation | First Observed (discovered) | D (km) | Orbital description | Remarks | Refs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | Observer (Site) |
Class | a (AU) |
e | i (°) |
q (AU) |
Q (AU) | ||||
| 2009 DJ143 | 18 February 2009 | Mauna Kea Obs. (568) | 212 | res · 4:13 | 66.2 | 0.43 | 18 | 37.4 | 95.1 | — | MPC · JPL |
| 2009 DK143 | 18 February 2009 | Mauna Kea Obs. (568) | 70 | cubewano (hot) | 43.5 | 0.17 | 10 | 36.0 | 51.1 | — | MPC · JPL |
| 2009 DL143 | 18 February 2009 | Mauna Kea Obs. (568) | 134 | res · 5:9 | 43.7 | 0.04 | 11 | 41.8 | 45.6 | — | MPC · JPL |
| 2009 DM143 | 18 February 2009 | Mauna Kea Obs. (568) | 58 | SDO | 54.3 | 0.34 | 16 | 35.9 | 72.8 | — | MPC · JPL |
| 2009 DN143 | 18 February 2009 | Mauna Kea Obs. (568) | 77 | plutino | 39.6 | 0.20 | 11 | 31.6 | 47.6 | — | MPC · JPL |
| 2009 DO143 | 18 February 2009 | Mauna Kea Obs. (568) | 77 | cubewano (hot) | 44.1 | 0.12 | 12 | 38.7 | 49.5 | — | MPC · JPL |
| 2009 DP143 | 18 February 2009 | Mauna Kea Obs. (568) | 93 | cubewano (hot) | 43.8 | 0.12 | 16 | 38.7 | 48.8 | — | MPC · JPL |
| 2009 DQ143 | 18 February 2009 | Mauna Kea Obs. (568) | 111 | other TNO | 44.3 | 0.27 | 11 | 32.5 | 56.2 | — | MPC · JPL |
| 2009 DR143 | 18 February 2009 | Mauna Kea Obs. (568) | 134 | cubewano (hot) | 47.1 | 0.16 | 10 | 39.4 | 54.8 | — | MPC · JPL |
| 2009 DS143 | 18 February 2009 | Mauna Kea Obs. (568) | 93 | other TNO | 49.5 | 0.25 | 11 | 37.3 | 61.7 | — | MPC · JPL |
| 2009 DT143 | 22 February 2009 | Mauna Kea Obs. (568) | 49 | other TNO | 38.3 | 0.12 | 30 | 33.5 | 43.0 | — | MPC · JPL |
| 2009 JA19 | 14 May 2009 | Mauna Kea Obs. (568) | 154 | twotino? | 47.7 | 0.36 | 16 | 30.4 | 64.9 | — | MPC · JPL |
| 2009 JB19 | 14 May 2009 | Mauna Kea Obs. (568) | 128 | cubewano (hot) | 46.5 | 0.16 | 19 | 39.0 | 54.1 | — | MPC · JPL |
| 2009 JC19 | 15 May 2009 | Mauna Kea Obs. (568) | 140 | other TNO | 50.8 | 0.32 | 31 | 34.5 | 67.0 | — | MPC · JPL |
| 2009 JD19 | 15 May 2009 | Mauna Kea Obs. (568) | 122 | plutino? | 39.7 | 0.10 | 21 | 35.5 | 43.9 | — | MPC · JPL |
| 2009 JE19 | 15 May 2009 | Mauna Kea Obs. (568) | 168 | centaur | 43.5 | 0.44 | 22 | 24.4 | 62.6 | — | MPC · JPL |
| 2009 JF19 | 15 May 2009 | Mauna Kea Obs. (568) | 93 | other TNO | 44.0 | 0.30 | 16 | 30.8 | 57.2 | — | MPC · JPL |
| 2009 JT18 | 14 May 2009 | Mauna Kea Obs. (568) | 84 | other TNO | 44.0 | 0.27 | 19 | 32.2 | 55.8 | — | MPC · JPL |
| 2009 JU18 | 14 May 2009 | Mauna Kea Obs. (568) | 88 | SDO | 56.4 | 0.32 | 27 | 38.3 | 74.5 | — | MPC · JPL |
| 2009 JV18 | 14 May 2009 | Mauna Kea Obs. (568) | 97 | cubewano (hot) | 45.0 | 0.15 | 14 | 38.2 | 51.8 | — | MPC · JPL |
| 2009 JW18 | 14 May 2009 | Mauna Kea Obs. (568) | 88 | cubewano (hot) | 46.1 | 0.11 | 18 | 41.0 | 51.1 | — | MPC · JPL |
| 2009 JX18 | 14 May 2009 | Mauna Kea Obs. (568) | 49 | centaur? | 37.6 | 0.46 | 20 | 20.2 | 55.0 | — | MPC · JPL |
| 2009 JY18 | 14 May 2009 | Mauna Kea Obs. (568) | 84 | SDO | 54.3 | 0.45 | 22 | 30.1 | 78.6 | — | MPC · JPL |
| 2009 JZ18 | 14 May 2009 | Mauna Kea Obs. (568) | 128 | plutino | 39.4 | 0.25 | 24 | 29.6 | 49.2 | — | MPC · JPL |
| 2009 KA37 | 27 May 2009 | Mauna Kea Obs. (568) | 84 | SDO | 53.7 | 0.37 | 15 | 33.9 | 73.4 | — | MPC · JPL |
| 2009 KJ30 | 25 May 2009 | M. Yagi (568) | 97 | cubewano (hot) | 46.6 | 0.19 | 31 | 37.8 | 55.4 | — | MPC · JPL |
| 2009 KK30 | 25 May 2009 | M. Yagi (568) | 168 | SDO | 60.6 | 0.37 | 14 | 38.0 | 83.3 | — | MPC · JPL |
| 2009 KL30 | 25 May 2009 | M. Yagi (568) | 140 | cubewano (hot) | 45.9 | 0.19 | 23 | 37.2 | 54.7 | — | MPC · JPL |
| 2009 KM30 | 25 May 2009 | M. Yagi (568) | 70 | cubewano (cold) | 41.7 | 0.01 | 4 | 41.4 | 42.0 | — | MPC · JPL |
| 2009 KN30 | 25 May 2009 | M. Yagi (568) | 117 | res · 2:7 | 70.8 | 0.57 | 5 | 30.5 | 111 | — | MPC · JPL |
| 2009 KO30 | 25 May 2009 | M. Yagi (568) | 84 | cubewano (hot) | 44.6 | 0.07 | 9 | 41.7 | 47.5 | — | MPC · JPL |
| 2009 KT36 | 20 May 2009 | Mauna Kea Obs. (568) | 77 | centaur | 43.4 | 0.37 | 30 | 27.5 | 59.4 | — | MPC · JPL |
| 2009 KU36 | 20 May 2009 | Mauna Kea Obs. (568) | 64 | cubewano (hot) | 43.0 | 0.16 | 20 | 35.9 | 50.1 | — | MPC · JPL |
| 2009 KV36 | 25 May 2009 | Mauna Kea Obs. (568) | 101 | cubewano (hot) | 42.9 | 0.04 | 16 | 41.3 | 44.5 | — | MPC · JPL |
| 2009 KW36 | 27 May 2009 | Mauna Kea Obs. (568) | 81 | cubewano (hot) | 45.0 | 0.15 | 30 | 38.1 | 51.9 | — | MPC · JPL |
| 2009 KX36 | 27 May 2009 | Mauna Kea Obs. (568) | 111 | SDO | 67.8 | 0.34 | 19 | 44.7 | 90.9 | — | MPC · JPL |
| 2009 KY36 | 27 May 2009 | Mauna Kea Obs. (568) | 67 | centaur? | 51.2 | 0.46 | 25 | 27.7 | 74.8 | — | MPC · JPL |
| 2009 KZ36 | 27 May 2009 | Mauna Kea Obs. (568) | 39 | centaur | 48.4 | 0.59 | 17 | 20.0 | 76.8 | — | MPC · JPL |
| 2009 MA10 | 21 June 2009 | S. S. Sheppard C. Trujillo (568) | 58 | cubewano (cold) | 44.4 | 0.05 | 2 | 42.1 | 46.7 | — | MPC · JPL |
| 2009 MF10 | 27 June 2009 | S. S. Sheppard A. Udalski C. Trujillo K. Ulaczyk (807) | 267 | centaur | 58.1 | 0.53 | 26 | 27.4 | 88.8 | — | MPC · JPL |
| 2009 MG10 | 27 June 2009 | C. Trujillo A. Udalski S. S. Sheppard I. Soszynski (807) | 176 | other TNO | 47.5 | 0.34 | 20 | 31.4 | 63.5 | — | MPC · JPL |
| 2009 UF156 | 18 October 2009 | Mauna Kea Obs. (568) | 222 | cubewano (cold) | 42.7 | 0.02 | 1 | 42.0 | 43.4 | — | MPC · JPL |
| 2009 XM26 | 8 December 2009 | Pan-STARRS (F51) | 117 | centaur | 43.1 | 0.42 | 22 | 25.2 | 61.0 | — | MPC · JPL |
| 2009 YG19 | 25 December 2009 | D. L. Rabinowitz (809) | 255 | res · 2:5 | 55.2 | 0.40 | 5 | 32.9 | 77.5 | BR-mag: 1.62 | MPC · JPL |
| 2009 YK32 | 25 December 2009 | Pan-STARRS (F51) | 269 | cubewano (cold) | 44.3 | 0.04 | 4 | 42.7 | 45.9 | — | MPC · JPL |
| 2009 YR26 | 17 December 2009 | Pan-STARRS (F51) | 267 | cubewano (hot) | 41.1 | 0.05 | 19 | 39.2 | 43.1 | — | MPC · JPL |
| 2009 YS26 | 17 December 2009 | Pan-STARRS (F51) | 202 | other TNO | 36.4 | 0.02 | 7 | 35.6 | 37.2 | — | MPC · JPL |
| 2009 YT26 | 26 December 2009 | Pan-STARRS (F51) | 202 | plutino | 39.1 | 0.17 | 10 | 32.4 | 45.8 | — | MPC · JPL |
References
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