244 Sita

244 Sita
Discovery
Discovered by Johann Palisa
Discovery date October 14, 1884
Designations
Alternate name(s) A900 UA, 1957 KT,
1976 HY, 1979 FL3
Minor planet
category
Main belt (Flora family)
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 369.964 Gm (2.473 AU)
Perihelion 280.787 Gm (1.877 AU)
Semi-major axis 325.375 Gm (2.175 AU)
Eccentricity 0.137
Orbital period 1171.6 d (3.21 a)
Average orbital speed 20.2 km/s
Mean anomaly 195.234°
Inclination 2.843°
Longitude of ascending node 209.099°
Argument of perihelion 166.116°
Physical characteristics
Dimensions 11 km [1]
Mass ~2×1015 (estimate)
Mean density ~2.7 g/cm³ (estimate) [2]
Equatorial surface gravity ~0.004 m/s² (estimate)
Escape velocity ~0.007 km/s (estimate)
Rotation period unknown
Albedo 0.194 [1]
Temperature ~184 K
max: 279 K (+6°C)
Spectral type S [3]
Absolute magnitude (H) 12.2

244 Sita is an asteroid belonging to the Flora family in the Main Belt.

It was discovered by Johann Palisa on October 14, 1884 in Vienna.

References

  1. ^ a b Supplemental IRAS Minor Planet Survey
  2. ^ G. A. Krasinsky et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus 158: 98. Bibcode 2002Icar..158...98K. doi:10.1006/icar.2002.6837. 
  3. ^ PDS spectral class data