244 Sita

From Wikipedia, the free encyclopedia
Jump to: navigation, search
244 Sita
Discovery
Discovered by Johann Palisa
Discovery date 14 October 1884
Designations
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[edit]

  1. ^ a b c "244 Sita". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016. 
  2. ^ a b Supplemental IRAS Minor Planet Survey
  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

External links[edit]