132P/Helin–Roman–Alu
132P/Helin–Roman–Alu, also known as Helin-Roman-Alu 2, is a periodic comet in the Solar System.
Discovery | |
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Discovered by | Eleanor F. Helin Brian P. Roman Jeff Alu |
Discovery date | October 26, 1989 |
Alternative designations | 1989 XVI; 1997 N2 |
Orbital characteristics A | |
Epoch | March 6, 2006 |
Aphelion | 6.264 AU |
Perihelion | 1.924 AU |
Semi-major axis | 4.094 AU |
Eccentricity | 0.53 |
Orbital period | 8.283 a |
Inclination | 5.7660° |
Last perihelion | May 21, 2014[1] February 14, 2006 |
Next perihelion | 2021-Nov-13[2] |
References
- Syuichi Nakano (2011-10-31). "132P/Helin-Roman-Alu 2 (NK 2144)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-25.
- MPC
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 132P/Helin-Roman-Alu 2 – Seiichi Yoshida @ aerith.net
- 132P at Kronk's Cometography
Numbered comets | ||
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Previous 131P/Mueller |
132P/Helin–Roman–Alu | Next 133P/Elst–Pizarro |
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