28128 Cynthrossman
asteroid
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Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[1]
- Site of astronomical discovery: Experimental Test Site[2]
- Follows: 28127 Ogden-Stenerson[3]
- Followed by: 28129 Teresummers[4]
- Minor planet group: asteroid belt[5]
- Parent astronomical body: Sun[6]
- Provisional designation: 1998 ST118[7], 2000 EF14[8]
- Time of discovery or invention: September 26, 1998[9]
- Significant event: naming[10]
- Orbital eccentricity: 0.09[11], 0.0914860[12], 0.09067698161717548[13]
- Absolute magnitude: 15.4[14], 15.55[15]
- Orbital inclination: 2.77604 degree[16], 2.775470447908353 degree[17]
- Orbital period: 3.43 years[18], 1254.101160604999 day[19]
- Longitude of ascending node: 34.16354 degree[20], 34.11661320470861 degree[21]
- Semi-major axis of an orbit: 2.2757109 astronomical unit[22], 2.275915299232933 astronomical unit[23]
- Apoapsis: 2.484 astronomical unit[24], 2.482288428983727 astronomical unit[25]
- Periapsis: 2.0675151 astronomical unit[26], 2.06954216948214 astronomical unit[27]
- Argument of periapsis: 117.36962 degree[28], 118.1903687256979 degree[29]
- Mean anomaly: 113.59590 degree[30], 196.4204642393461 degree[31]
- Diameter: 2.048 km[32]
- Albedo: 0.291[33]
- Epoch: November 21, 2025[34]
- Time of periapsis: 2461570.3480156907 Julian day[35]