(20412) Josemariamadiedo
asteroid
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Summary
(20412) Josemariamadiedo is an asteroid[1]. (20412) Josemariamadiedo is known by 6 alternative names across languages and contexts.[2]
Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[3]
- Site of astronomical discovery: Experimental Test Site[4]
- Named after: Q140564657[5]
- Follows: (20411) 1998 QJ69[6]
- Followed by: (20413) 1998 QY91[7]
- Minor planet group: asteroid belt[8]
- Parent astronomical body: Sun[9]
- Provisional designation: 1978 WM2[10], 1998 QG73[11]
- Time of discovery or invention: August 24, 1998[12]
- Orbital eccentricity: 0.05[13], 0.0505299[14], 0.05224470704286124[15]
- Absolute magnitude: 12.4[16], 12.47[17]
- Orbital inclination: 8.40094 degree[18], 8.40146460399473 degree[19]
- Orbital period: 5.23 years[20], 1908.999708554004 day[21]
- Longitude of ascending node: 246.63682 degree[22], 246.6102443409889 degree[23]
- Semi-major axis of an orbit: 3.0116989 astronomical unit[24], 3.011653176335677 astronomical unit[25]
- Apoapsis: 3.164 astronomical unit[26], 3.168996114248037 astronomical unit[27]
- Periapsis: 2.8595182 astronomical unit[28], 2.854310238423317 astronomical unit[29]
- Argument of periapsis: 226.70205 degree[30], 225.453066754789 degree[31]
- Mean anomaly: 216.05724 degree[32], 309.7178090615951 degree[33]
- Diameter: 11.685 km[34]
- Albedo: 0.156[35]
- Epoch: November 21, 2025[36]
- Time of periapsis: 2461267.135244019 Julian day[37]