244 Sita

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
244 Sita
Discovery
Discovered byJohann Palisa
Discovery date14 October 1884
Designations
MPC designation(244) Sita
A900 UA, 1957 KT,
1976 HY, 1979 FL3
main-belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc130.93 yr (47824 d)
Aphelion2.47317 AU (369.981 Gm)
Perihelion1.87531 AU (280.542 Gm)
2.17424 AU (325.262 Gm)
Eccentricity0.13749
3.21 yr (1171.0 d)
46.3767°
0° 18m 26.737s / day
Inclination2.84423°
208.982°
166.029°
Physical characteristics
Mean diameter
10.95±0.8 km[1]
11 km [2]
Mass~2×1015 (estimate)
Mean density
~2.7 g/cm³ (estimate)[3]
129.51 h (5.396 d)
0.1941±0.033[1]
0.194 [2]
S[4]
11.9

Sita (minor planet designation: 244 Sita) is a background asteroid from the inner region of the asteroid belt, approximately 11 kilometers (6.8 miles) in diameter. It was discovered on 14 October 1884, by an Austrian astronomer Johann Palisa in the Vienna Observatory.

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". Archived from the original on June 23, 2006.
  3. ^ G. A. Krasinsky, E. V. Pitjeva, M. V. Vasilyev, E. I. Yagudina (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]