9831 Simongreen
asteroid
Press Enter · cited answer in seconds
0 sources
Summary
9831 Simongreen is an asteroid[1]. It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Claes-Ingvar Lagerkvist[3]
- Site of astronomical discovery: European Southern Observatory[4], La Silla Observatory[5]
- Named after: Simon F. Green[6]
- Follows: 9830 Franciswasiak[7]
- Followed by: 9832 Xiaobinwang[8]
- Minor planet group: asteroid belt[9]
- Parent astronomical body: Sun[10]
- Provisional designation: 1979 QZ[11], 1995 YE16[12], 1997 JO1[13], 1998 SS129[14]
- Time of discovery or invention: August 22, 1979[15]
- Significant event: naming[16]
- Orbital eccentricity: 0.21[17], 0.2107959[18], 0.2102987445889476[19]
- Absolute magnitude: 15.1[20], 15.33[21]
- Orbital inclination: 2.40680 degree[22], 2.408148899002844 degree[23]
- Orbital period: 3.75 years[24], 1372.864103798021 day[25]
- Longitude of ascending node: 168.53803 degree[26], 168.4332785942782 degree[27]
- Semi-major axis of an orbit: 2.4152611 astronomical unit[28], 2.417423549768963 astronomical unit[29]
- Apoapsis: 2.924 astronomical unit[30], 2.925804687425133 astronomical unit[31]
- Periapsis: 1.9061340 astronomical unit[32], 1.909042412112792 astronomical unit[33]
- Argument of periapsis: 188.14973 degree[34], 188.3728111782045 degree[35]
- Mean anomaly: 183.76279 degree[36], 93.32492585105247 degree[37]
- Epoch: November 21, 2025[38]
- Time of periapsis: 2460644.604331415 Julian day[39]
Why It Matters
9831 Simongreen is known by 12 alternative names across languages and contexts.[40]