(19170) 1991 FH
minor planet
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Key Facts
- Discoverer or inventor: Robert H. McNaught[1]
- Site of astronomical discovery: Siding Spring Observatory[2]
- Follows: (19169) 1991 FD[3]
- Followed by: (19171) 1991 FS[4]
- Minor planet group: asteroid belt[5]
- Parent astronomical body: Sun[6]
- Provisional designation: 1991 FH[7]
- Time of discovery or invention: March 18, 1991[8]
- Orbital eccentricity: 0.13[9], 0.1305086[10], 0.1362801293112816[11]
- Absolute magnitude: 13.1[12], 13.16[13]
- Orbital inclination: 19.45953 degree[14], 19.58161086414738 degree[15]
- Orbital period: 5.66 years[16], 2059.721421809692 day[17]
- Rotation period: 25.0082 hour[18]
- Longitude of ascending node: 206.68741 degree[19], 206.2512040876899 degree[20]
- Semi-major axis of an orbit: 3.1768582 astronomical unit[21], 3.168157078690827 astronomical unit[22]
- Apoapsis: 3.591 astronomical unit[23], 3.599913935053265 astronomical unit[24]
- Periapsis: 2.7622508 astronomical unit[25], 2.736400222328388 astronomical unit[26]
- Argument of periapsis: 338.76445 degree[27], 341.9262540104373 degree[28]
- Mean anomaly: 344.63594 degree[29], 39.83334426965892 degree[30]
- Diameter: 12.603 km[31]
- Albedo: 0.077[32]
- Epoch: November 21, 2025[33]
- Time of periapsis: 2460772.595576404 Julian day[34]