244 Sita

244 Sita
Discovery
Discovered by Johann Palisa
Discovery date 14 October 1884
Designations
MPC designation (244) Sita
A900 UA, 1957 KT,
1976 HY, 1979 FL3
Main belt (Flora family)
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 130.93 yr (47824 d)
Aphelion 2.47317 AU (369.981 Gm)
Perihelion 1.87531 AU (280.542 Gm)
2.17424 AU (325.262 Gm)
Eccentricity 0.13749
3.21 yr (1171.0 d)
20.2 km/s
46.3767°
0° 18m 26.737s / day
Inclination 2.84423°
208.982°
166.029°
Earth MOID 0.875159 AU (130.9219 Gm)
Jupiter MOID 2.98577 AU (446.665 Gm)
Jupiter Tisserand parameter 3.672
Physical characteristics
Dimensions 10.95±0.8 km [1]
11 km [2]
Mass ~2×1015 (estimate)
Mean density
 ~2.7 g/cm³ (estimate) [3]
Equatorial surface gravity
 ~0.004 m/s² (estimate)
Equatorial escape velocity
 ~0.007 km/s (estimate)
129.51 h (5.396 d)
0.1941±0.033 [1]
0.194 [2]
Temperature ~184 K
max: 279 K (+6°C)
S [4]
11.9

    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. 1 2 3 "244 Sita". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
    2. 1 2 Supplemental IRAS Minor Planet Survey Archived June 23, 2006, at Archive.is
    3. ↑ 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.
    4. ↑ PDS spectral class data


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