121P/Shoemaker-Holt
Facts
18 properties- Instance of
- periodic comet, Jupiter-family comet[5]
- Absolute magnitude
- 6.0[13]
- Apoapsis
- 5.391873496687183[18]
- Argument of periapsis
- 7.391217241062686[20]
- Diameter
- 3.24[22]
- Discoverer or inventor
- Henry E. Holt, Carolyn S. Shoemaker, Eugene Merle Shoemaker[2][3][4]
- Epoch
- November 6, 2006
- Longitude of ascending node
- 99.09927639087128[16]
- Mean anomaly
- 96.76248090532613[21]
- Orbital eccentricity
- 0.3406038298142783[12]
- Orbital inclination
- 17.82702553259715[14]
- Orbital period
- 2946.166484590266[15]
- Periapsis
- 2.652074128666313[19]
- Semi-major axis of an orbit
- 4.021973812676748[17]
- Time of discovery or invention
- March 9, 1989[11]
- Time of periapsis
- 2453253.615616086
Discoverer or inventor 3
Instance of 2
Epoch 1
Parent astronomical body 1
0 sources
Summary
121P/Shoemaker-Holt is a periodic comet[1].
Body
Works and Contributions
Credited discoveries include Henry E. Holt[2], an astronomer[23], 1929–2019[24], of United States[25], specialised in astronomy[26]; Carolyn S. Shoemaker[3], an astronomer[27], 1929–2021[28], of United States[29], awarded the NASA Exceptional Scientific Achievement Medal[30], specialised in astronomy[31]; and Eugene Merle Shoemaker[4], an astronomer[32], 1928–1997[33], of United States[34], awarded the Arthur L. Day Medal[35], specialised in geology[36].