956 Elisa

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956 Elisa
Discovery
Discovered by K. Reinmuth
Discovery site Heidelberg
Discovery date 8 August 1921
Designations
1921 JW; 1959 NB
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 94.45 yr (34498 days)
Aphelion 2.7693 AU (414.28 Gm)
Perihelion 1.8258 AU (273.14 Gm)
2.2976 AU (343.72 Gm)
Eccentricity 0.20534
3.48 yr (1272.0 d)
100.06°
0° 16m 58.836s / day
Inclination 5.9649°
192.660°
125.399°
Earth MOID 0.820254 AU (122.7083 Gm)
Jupiter MOID 2.55308 AU (381.935 Gm)
Jupiter Tisserand parameter 3.558
Physical characteristics
16.492 h (0.6872 d)
12.2

956 Elisa is a V-type asteroid in the Main Belt, orbiting not far from the Vesta family, but not within it. It is, however, probably a fragment of 4 Vesta ejected during an impact.[2][3] Its rotation period is 3.888 hours[1].

References[edit]

  1. ^ "956 Elisa (1921 JW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016. 
  2. ^ M. Florczak; D. Lazarro & R. Duffard (2002). "Discovering New V-Type Asteroids in the Vicinity of 4 Vesta". Icarus. 159 (1): 178. Bibcode:2002Icar..159..178F. doi:10.1006/icar.2002.6913. 
  3. ^ V. Carruba; et al. (2005). "On the V-type asteroids outside the Vesta family". Astronomy & Astrophysics. 441 (2): 819. arXiv:astro-ph/0506656free to read. Bibcode:2005A&A...441..819C. doi:10.1051/0004-6361:20053355. 

External links[edit]