(55356) 2001 SY157
asteroid
Press Enter · cited answer in seconds
0 sources
Summary
(55356) 2001 SY157 is an asteroid[1].
Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[2]
- Site of astronomical discovery: Experimental Test Site[3]
- Follows: (55355) 2001 SD155[4]
- Followed by: (55357) 2001 SY160[5]
- Minor planet group: asteroid belt[6]
- Parent astronomical body: Sun[7]
- Provisional designation: 2001 SY157[8]
- Time of discovery or invention: September 17, 2001[9]
- Orbital eccentricity: 0.158340812603499[10]
- Absolute magnitude: 14.87[11]
- Orbital inclination: 5.716032933277474 degree[12]
- Orbital period: 1967.840404758956 day[13]
- Rotation period: 72.9251 hour[14]
- Longitude of ascending node: 233.0475699738078 degree[15]
- Semi-major axis of an orbit: 3.073224577750728 astronomical unit[16]
- Apoapsis: 3.559841454704824 astronomical unit[17]
- Periapsis: 2.586607700796633 astronomical unit[18]
- Argument of periapsis: 219.4095748689379 degree[19]
- Mean anomaly: 111.6087019396192 degree[20]
- Diameter: 7.489 km[21]
- Albedo: 0.035[22]
- Epoch: November 21, 2025[23]