1137 Raïssa

From Wikipedia, the free encyclopedia

Jump to: navigation, search
1137 Raïssa [1]
Discovery
Discovered by G. Neujman
Discovery date 27 October 1929
Designations
MPC designation (1137) Raïssa
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 111.74 yr (40812 days)
Aphelion 2.6607760 AU (398.04642 Gm)
Perihelion 2.1868401 AU (327.14662 Gm)
2.4238081 AU (362.59653 Gm)
Eccentricity 0.0977668
3.77 yr (1378.3 d)
28.128856°
0° 15m 40.284s / day
Inclination 4.315870°
78.45575°
277.13829°
Earth MOID 1.18629 AU (177.466 Gm)
Jupiter MOID 2.70866 AU (405.210 Gm)
Jupiter Tisserand parameter 3.501
Physical characteristics
Mean radius
11.845±0.55 km
142.79 h (5.950 d)[1]
0.1592±0.015[1]
10.6[1]

1137 Raïssa is a main belt asteroid orbiting the Sun. Approximately 24 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered by Grigory Neujmin on October 27, 1929.[1] It has a long 142.79 hours rotation period.[1] It is named for Raissa Ivanovna Maseeva, who computed its orbit. Its provisional designation was 1929 WB.[2]

References[edit]

  1. ^ a b c d e f g "JPL Small-Body Database Browser: 1137 Raissa (1929 WB)". Retrieved 1 May 2016. 
  2. ^ "Pulkovo NEO Page". Retrieved October 17, 2007. 

External links[edit]