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C/2015 D1 (SOHO)

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C/2015 D1 (SOHO)
Remnant tail of C/2015 D1 (SOHO) imaged after perihelion on 27 February 2015
Discovery[1]
Discovered bySOHO
Worachate Boonplod
Karl Battams
Discovery date18 February 2015
Designations
SOHO-2875[2]
Orbital characteristics[3]
Epoch20 February 2015 (JD 2457073.5)
Observation arc3 days
Earliest precovery date17 February 2015
Number of
observations		417
Aphelion9.949 AU
Perihelion0.028 AU
Semi-major axis4.989 AU
Eccentricity0.99432
Orbital period11.144 years
Inclination69.616°
95.881°
Argument of
periapsis		234.96°
Mean anomaly0.022°
Last perihelion19 February 2015
Next perihelionDisintegrated
TJupiter1.116
Earth MOID0.516 AU
Jupiter MOID3.566 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

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]

References

[edit]
  1. ↑ K. Battams; M. M. Knight; W. Boonplod (February 2015). D. W. Green (ed.). "Comet C/2015 D1 (SOHO)". Central Bureau for Astronomical Telegrams. 4067 (1). Bibcode:2015CBET.4067....1B.
  2. ↑ "SOHO Non-Group Comets". The Sungrazer Project. Retrieved 11 July 2025.
  3. ↑ "C/2015 D1 (SOHO) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 11 July 2025.
  4. ↑ M. Masek; J. Jurysek; J. Cerny; et al. (March 2015). D. W. Green (ed.). "Comet C/2015 D1 (SOHO)". Central Bureau for Astronomical Telegrams. 4073 (1). Bibcode:2015CBET.4073....1M.
  5. ↑ M. T. Hui; Q. Z. Ye (2015). "Gone in a Blaze of Glory: The Demise of Comet C/2015 D1 (SOHO)". The Astrophysical Journal. 813 (1). arXiv:1509.07606. Bibcode:2015ApJ...813...73H. doi:10.1088/0004-637X/813/1/73.
  6. ↑ E. Imster (25 February 2015). "Watch unusual comet sail past sun". EarthSky.org. Retrieved 11 July 2025.
  7. ↑ B. King (4 March 2015). "How to Catch a Ghost...Comet that is". Sky & Telescope. Retrieved 11 July 2025.
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