728 Leonisis
main-belt asteroid
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Summary
728 Leonisis is an asteroid[1]. It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: Johann Palisa[3]
- Site of astronomical discovery: Vienna Observatory[4]
- Named after: Leo Gans[5], Isis[6]
- Follows: 727 Nipponia[7]
- Followed by: 729 Watsonia[8]
- Minor planet group: asteroid belt[9]
- Commons category: 728 Leonisis[10]
- Parent astronomical body: Sun[11]
- Provisional designation: 1912 NU[12], 1941 WR[13], 1968 UT[14], A907 UE[15], A912 DB[16]
- Time of discovery or invention: February 16, 1912[17]
- Significant event: naming[18]
- Orbital eccentricity: 0.08737375537046661[19]
- Absolute magnitude: 12.87[20]
- Orbital inclination: 4.258 degree[21], 4.256518078841229 degree[22]
- Orbital period: 1235.695380876698 day[23]
- Rotation period: 5.5783 hour[24]
- Longitude of ascending node: 82.5546004970259 degree[25]
- Semi-major axis of an orbit: 2.253592200496105 astronomical unit[26]
- Apoapsis: 2.450497014127043 astronomical unit[27]
- Periapsis: 2.056687386865167 astronomical unit[28]
- Argument of periapsis: 55.97837082754015 degree[29]
- Mean anomaly: 227.2824996771541 degree[30]
- Diameter: 5.887 km[31]
- Albedo: 0.16[32]
- Epoch: November 21, 2025[33]
Why It Matters
728 Leonisis is known by 20 alternative names across languages and contexts.[34]