1573 Väisälä
asteroid
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Summary
1573 Väisälä is an asteroid[1]. It ranks in the top 2% of asteroid entities by monthly Wikipedia readership (35 views/month).[2]
Key Facts
- Discoverer or inventor: Sylvain Arend[3]
- Instance of: Zamenhof-Esperanto object[4]
- Site of astronomical discovery: Royal Observatory of Belgium[5]
- Named after: Yrjö Väisälä[6]
- Follows: 1572 Posnania[7]
- Followed by: 1574 Meyer[8]
- Minor planet group: asteroid belt[9]
- Commons category: 1573 Väisälä[10]
- Parent astronomical body: Sun[11]
- Provisional designation: 1949 UA[12]
- Time of discovery or invention: October 27, 1949[13]
- Significant event: naming[14]
- Orbital eccentricity: 0.231655[15], 0.2311539[16], 0.2310362777884839[17]
- Absolute magnitude: 12.3[18], 12.27[19]
- Orbital inclination: 24.54944 degree[20], 24.55381828041017 degree[21]
- Orbital period: 3.65 years[22], 1333.429291750508 day[23]
- Rotation period: 252.0 hour[24]
- Longitude of ascending node: 202.37099 degree[25], 202.3414290620578 degree[26]
- Semi-major axis of an orbit: 2.3708208 astronomical unit[27], 2.370906220884171 astronomical unit[28]
- Apoapsis: 2.919 astronomical unit[29], 2.918671569142811 astronomical unit[30]
- Periapsis: 1.8227963 astronomical unit[31], 1.823140872625531 astronomical unit[32]
- Argument of periapsis: 174.05068 degree[33], 173.9666444270878 degree[34]
- Mean anomaly: 26.84938 degree[35], 315.0619714448325 degree[36]
- Diameter: 9.083 km[37]
- Albedo: 0.2226[38], 0.282[39]
Why It Matters
1573 Väisälä has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[40] It is known by 19 alternative names across languages and contexts.[41]