(21032) 1989 TN16
minor planet
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Summary
(21032) 1989 TN16 is an asteroid[1]. (21032) 1989 TN16 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Henri Debehogne[3]
- Site of astronomical discovery: La Silla Observatory[4]
- Follows: (21031) 1989 TO15[5]
- Followed by: 21033 Akahirakiyozo[6]
- Minor planet group: asteroid belt[7]
- Parent astronomical body: Sun[8]
- Provisional designation: 1989 TN16[9], 1991 EP8[10], 1998 KV64[11]
- Time of discovery or invention: October 4, 1989[12]
- Orbital eccentricity: 0.08[13], 0.0817335[14], 0.08111701657242393[15]
- Absolute magnitude: 14.6[16], 14.76[17]
- Orbital inclination: 2.29083 degree[18], 2.293656655097134 degree[19]
- Orbital period: 3.31 years[20], 1209.863673411206 day[21]
- Longitude of ascending node: 190.45107 degree[22], 190.3959593099841 degree[23]
- Semi-major axis of an orbit: 2.2224496 astronomical unit[24], 2.222074796403558 astronomical unit[25]
- Apoapsis: 2.404 astronomical unit[26], 2.402322874488592 astronomical unit[27]
- Periapsis: 2.0408010 astronomical unit[28], 2.041826718318525 astronomical unit[29]
- Argument of periapsis: 326.30236 degree[30], 326.8382364958209 degree[31]
- Mean anomaly: 73.57306 degree[32], 186.1175089841165 degree[33]
- Diameter: 2.895 km[34]
- Albedo: 0.253[35]
- Epoch: November 21, 2025[36]
- Time of periapsis: 2461584.8725258955 Julian day[37]
Why It Matters
(21032) 1989 TN16 is known by 5 alternative names across languages and contexts.[38]