(26420) 1999 XL103
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: (26419) 1999 XR95[3]
- Followed by: (26421) 1999 XP113[4]
- Minor planet group: asteroid belt[5]
- Parent astronomical body: Sun[6]
- Provisional designation: 1997 ED33[7], 1999 XL103[8]
- Time of discovery or invention: December 7, 1999[9]
- Orbital eccentricity: 0.11[10], 0.1067714[11], 0.1064831470180116[12]
- Absolute magnitude: 15.7[13], 15.87[14]
- Orbital inclination: 4.72560 degree[15], 4.723994570149881 degree[16]
- Orbital period: 3.26 years[17], 1190.40041473505 day[18]
- Rotation period: 3.2 hour[19]
- Longitude of ascending node: 72.97243 degree[20], 72.93099172350303 degree[21]
- Semi-major axis of an orbit: 2.1977214 astronomical unit[22], 2.198179205062464 astronomical unit[23]
- Apoapsis: 2.432 astronomical unit[24], 2.432248244527067 astronomical unit[25]
- Periapsis: 1.9630677 astronomical unit[26], 1.964110165597862 astronomical unit[27]
- Argument of periapsis: 261.26313 degree[28], 261.2661549314975 degree[29]
- Mean anomaly: 97.88749 degree[30], 104.0186692730863 degree[31]
- Albedo: 0.407[32]
- Epoch: November 21, 2025[33]
- Time of periapsis: 2460656.54481377 Julian day[34]