244 Sita

244 Sita

Discovery
Discovered by	Johann Palisa
Discovery date	October 14, 1884
Designations
Alternative names	A900 UA, 1957 KT, 1976 HY, 1979 FL3
Minor planet category	Main belt (Flora family)
Orbital characteristics
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	~2×10^15 (estimate)
Mean density	~2.7 g/cm³ (estimate) [2]
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. 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

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances

External links

• 244 Sita at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters