(21193) 1994 PJ1
asteroid
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Summary
(21193) 1994 PJ1 is an asteroid[1]. (21193) 1994 PJ1 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Robert H. McNaught[3]
- Site of astronomical discovery: Siding Spring Observatory[4]
- Follows: 21192 Seccisergio[5]
- Followed by: (21194) 1994 PN1[6]
- Minor planet group: asteroid belt[7]
- Parent astronomical body: Sun[8]
- Provisional designation: 1994 PJ1[9], 1998 MV7[10]
- Time of discovery or invention: August 14, 1994[11]
- Orbital eccentricity: 0.14[12], 0.1385586[13], 0.1399128008549572[14]
- Absolute magnitude: 14.4[15], 14.59[16]
- Orbital inclination: 13.92735 degree[17], 13.9362768527642 degree[18]
- Orbital period: 4.07 years[19], 1485.865552570606 day[20]
- Longitude of ascending node: 141.83467 degree[21], 141.6233569171006 degree[22]
- Semi-major axis of an orbit: 2.5501745 astronomical unit[23], 2.548320561134239 astronomical unit[24]
- Apoapsis: 2.904 astronomical unit[25], 2.904863228318807 astronomical unit[26]
- Periapsis: 2.1968260 astronomical unit[27], 2.191777893949672 astronomical unit[28]
- Argument of periapsis: 136.35224 degree[29], 137.4555662577518 degree[30]
- Mean anomaly: 322.98774 degree[31], 279.7726996390566 degree[32]
- Diameter: 3.439 km[33]
- Albedo: 0.312[34]
- Epoch: November 21, 2025[35]
- Time of periapsis: 2461331.630505506 Julian day[36]
Why It Matters
(21193) 1994 PJ1 is known by 5 alternative names across languages and contexts.[37]