C/2015 D1 (SOHO)
Sungrazing comet
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C/2015 D1 (SOHO) is a sungrazing comet that was discovered through images taken by the Solar and Heliospheric Observatory (SOHO) in 2015. It is one of a few comets discovered by SOHO that were successfully detected by ground observations.[6][7]
Remnant tail of C/2015 D1 (SOHO) imaged after perihelion on 27 February 2015 | |
| Discovery[1] | |
|---|---|
| Discovered by | SOHO Worachate Boonplod Karl Battams |
| Discovery date | 18 February 2015 |
| Designations | |
| SOHO-2875[2] | |
| Orbital characteristics[3] | |
| Epoch | 20 February 2015 (JD 2457073.5) |
| Observation arc | 3 days |
| Earliest precovery date | 17 February 2015 |
| Number of observations | 417 |
| Aphelion | 9.949 AU |
| Perihelion | 0.028 AU |
| Semi-major axis | 4.989 AU |
| Eccentricity | 0.99432 |
| Orbital period | 11.144 years |
| Inclination | 69.616° |
| 95.881° | |
| Argument of periapsis | 234.96° |
| Mean anomaly | 0.022° |
| Last perihelion | 19 February 2015 |
| Next perihelion | Disintegrated |
| TJupiter | 1.116 |
| Earth MOID | 0.516 AU |
| Jupiter MOID | 3.566 AU |
| Physical characteristics[4][5] | |
Mean radius | ~0.05–0.15 km (0.031–0.093 mi) |
| Mass | ~108–109 kg |
Mean density | 0.4 g/cm–3 (assumed) |
| Comet total magnitude (M1) | 8.0 |
