21856 Heathermaria
asteroid
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Summary
21856 Heathermaria is an asteroid[1].
Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[2]
- Site of astronomical discovery: Experimental Test Site[3]
- Follows: (21855) 1999 TG150[4]
- Followed by: (21857) 1999 TJ154[5]
- Minor planet group: asteroid belt[6]
- Parent astronomical body: Sun[7]
- Provisional designation: 1988 DY2[8], 1996 XS28[9], 1998 FP96[10], 1999 TR150[11]
- Time of discovery or invention: October 7, 1999[12]
- Significant event: naming[13]
- Orbital eccentricity: {'amount': '+0.16'}[14], {'amount': '+0.1589616'}[15], {'amount': '+0.1595846903601411'}[16]
- Absolute magnitude: {'amount': '+15.4'}[17], {'amount': '+15.54'}[18]
- Orbital inclination: 5.44254 degree[19], 5.447087645405436 degree[20]
- Orbital period: 3.29 years[21], 1201.973702480784 day[22]
- Longitude of ascending node: 250.38267 degree[23]