31380 Hegyesi
asteroid
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Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[1]
- Site of astronomical discovery: Experimental Test Site[2]
- Follows: (31379) 1998 XX51[3]
- Followed by: (31381) 1998 XW86[4]
- Minor planet group: asteroid belt[5]
- Parent astronomical body: Sun[6]
- Provisional designation: 1998 XA73[7], 2000 JN49[8]
- Time of discovery or invention: December 14, 1998[9]
- Significant event: naming[10]
- Orbital eccentricity: 0.06[11], 0.0603408[12], 0.05961735580736757[13]
- Absolute magnitude: 15.1[14], 15.26[15]
- Orbital inclination: 6.89797 degree[16], 6.892217754105646 degree[17]
- Orbital period: 3.63 years[18], 1327.498074583859 day[19]
- Longitude of ascending node: 7.19135 degree[20], 7.134156553480815 degree[21]
- Semi-major axis of an orbit: 2.3635721 astronomical unit[22], 2.363870324522011 astronomical unit[23]
- Apoapsis: 2.506 astronomical unit[24], 2.504798022741518 astronomical unit[25]
- Periapsis: 2.2209522 astronomical unit[26], 2.222942626302505 astronomical unit[27]
- Argument of periapsis: 103.36525 degree[28], 102.2427004398134 degree[29]
- Mean anomaly: 193.26890 degree[30], 125.3499600932933 degree[31]
- Diameter: 2.376 km[32]
- Albedo: 0.376[33]
- Epoch: November 21, 2025[34]
- Time of periapsis: 2460538.272692575 Julian day[35]