C/2015 D1 (SOHO)

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]

C/2015 D1 (SOHO)

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
Alternative 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°
Longitude of ascending node	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