P/2003 T12 (SOHO)
P/2003 T12 is a periodical comet that is observed in the sky every 10–15 years.[1] On January 13, 2012, it was observed by the satellite STEREO-B, and the most documented phase of P/2003 T12 was observed on that date.
| Discovery | |
|---|---|
| Discovered by | Solar and Heliospheric Observatory (SOHO) |
| Discovery date | October 10, 2003 |
| Orbital characteristics | |
| Semi-major axis | 2.568001678282154 |
| Eccentricity | 0.7761661415724617 |
| Orbital period |
|
January 12, 2012 Event
During its apparition on January 12, 2012, it ventured into the highest phase angle ever observed for a comet, and the forward-scattering enhancement in brightness was marked, as large as ~8.5 mag. This has given insight into Henyey-Greenstein (HG) space-dust.[2]
References
- "Small-Body Database Lookup". ssd.jpl.nasa.gov. Retrieved 2024-03-19.
- Hui, M. -T. (2013-12-01). "Observations of Comet P/2003 T12 = 2012 A3 (SOHO) at large phase angle in STEREO-B". Monthly Notices of the Royal Astronomical Society. 436 (2): 1564–1575. Bibcode:2013MNRAS.436.1564H. doi:10.1093/mnras/stt1683. ISSN 0035-8711.
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