1620 Geographos
asteroid
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Summary
1620 Geographos is a potentially hazardous asteroid[1]. It ranks in the top 5% of potentially hazardous asteroid entities by monthly Wikipedia readership (311 views/month).[2]
Key Facts
- Discoverer or inventor: Albert George Wilson[3], Rudolph Minkowski[4]
- Instance of: near-Earth object[5], near-Earth asteroid[6]
- Site of astronomical discovery: Palomar Observatory[7]
- Named after: National Geographic Society[8]
- Follows: 1619 Ueta[9]
- Followed by: 1621 Druzhba[10]
- Minor planet group: Apollo asteroid[11]
- Commons category: 1620 Geographos[12]
- Parent astronomical body: Sun[13]
- Provisional designation: 1951 RA[14], 1983 CY3[15]
- Time of discovery or invention: September 14, 1951[16]
- Asteroid spectral type: S-type asteroid[17]
- Significant event: naming[18]
- Orbital eccentricity: 0.3354[19], 0.3354405[20], 0.3355121972709708[21]
- Described by source: (1620) Geographos[22]
- Absolute magnitude: 15.6[23], 15.27[24]
- Orbital inclination: 13.341 degree[25], 13.33737 degree[26], 13.33579272085667 degree[27]
- Orbital period: 1.39 years[28], 507.8773584474016 day[29]
- Rotation period: 5.22204 hour[30]
- Longitude of ascending node: 337.19539 degree[31], 337.1407922247086 degree[32]
- Semi-major axis of an orbit: 1.2453023 astronomical unit[33], 1.24577692820759 astronomical unit[34]
- Apoapsis: 1.663 astronomical unit[35], 1.663750282699998 astronomical unit[36]
- Periapsis: 0.8275775 astronomical unit[37], 0.8278035737151809 astronomical unit[38]
- Argument of periapsis: 276.91504 degree[39], 277.0183902826736 degree[40]
- Mean anomaly: 311.53300 degree[41], 212.9204490240495 degree[42]
Why It Matters
1620 Geographos has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[43] It is known by 19 alternative names across languages and contexts.[44]