980 Anacostia
main-belt asteroid
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Summary
980 Anacostia is an asteroid[1]. It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2]
Key Facts
- Discoverer or inventor: George Henry Peters[3]
- Site of astronomical discovery: Old Naval Observatory[4]
- Follows: 979 Ilsewa[5]
- Followed by: 981 Martina[6]
- Minor planet group: asteroid belt[7]
- Commons category: 980 Anacostia[8]
- Parent astronomical body: Sun[9]
- Provisional designation: 1921 W19[10], A917 YC[11], A921 WG[12]
- Time of discovery or invention: November 21, 1921[13]
- Asteroid spectral type: S-type asteroid[14], L-type asteroid[15]
- Significant event: naming[16]
- Orbital eccentricity: 0.2015783832960381[17]
- Absolute magnitude: 7.89[18]
- Orbital inclination: 15.882 degree[19], 15.89626299729694 degree[20]
- Orbital period: 1657.836885294073 day[21]
- Rotation period: 20.117 hour[22]
- Longitude of ascending node: 285.7619263681004 degree[23]
- Semi-major axis of an orbit: 2.741335861472079 astronomical unit[24]
- Apoapsis: 3.293929912499072 astronomical unit[25]
- Periapsis: 2.188741810445085 astronomical unit[26]
- Argument of periapsis: 69.76015121260747 degree[27]
- Mean anomaly: 336.6984428576083 degree[28]
- Diameter: 74.679 km[29]
- Albedo: 0.229[30]
- Epoch: November 21, 2025[31]
Why It Matters
980 Anacostia is known by 20 alternative names across languages and contexts.[32]