951 Gaspra

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951 Gaspra
951 Gaspra orbit Jan2018.png
Gaspra orbits the sun juist ootside o the orbit o Maurs
Discovery [1][2]
Discovered bi G. Neujmin
Discovery steid Simeiz Obs.
Discovery date 30 Julie 1916
Designations
MPC designation (951) Gaspra
Named after
Gaspra[3]
(Crimean spa toun)
1916 S45 · 1916 Σ45
SIGMA 45 · A913 YA
1955 MG1
main-belt · (inner)
Flora[4]
Orbital chairactereestics
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 103.54 yr (37,819 days)
Aphelion 2.5931 AU
Perihelion 1.8267 AU
2.2099 AU
Eccentricity 0.1734
3.29 yr (1,200 days)
232.83°
0° 18m 0s / day
Inclination 4.1063°
253.06°
129.94°
Pheesical chairactereestics
Dimensions (18.2×10.5×8.9) km[5]
12.2 km (mean-diam.)[1]
Mass 2–3×1016 kg (estimate)
Mean density
~2.7 g/cm³ (estimate)[6]
7.042 o (0.293 d)[1]
0.246±0.032[1]
Tholen = S[1]
SMASS = S[1]
B–V = 0.870[1]
U–B = 0.554[1]
11.46[1]

951 Gaspra is an S-teep asteroid that orbits verra close tae the inner edge o the asteroid belt.

References[eedit | eedit soorce]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "JPL Small-Body Database Browser: 951 Gaspra (1916 S45)" (2017-07-05 last obs.). Jet Propulsion Laboratory. Retrieved 19 October 2017. 
  2. "951 Gaspra (1916 S45)". Minor Planet Center. Retrieved 19 October 2017. 
  3. Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (951) Gaspra. Springer Berlin Heidelberg. p. 84. ISBN 978-3-540-00238-3. Retrieved 19 October 2017. 
  4. "Small Bodies Data Ferret". Nesvorny HCM Asteroid Families V3.0. Retrieved 19 October 2017. 
  5. P. C. Thomas; J. Veverka; D. Simonelli; P. Helfenstein; B. Carcich; M. J. S. Belton; et al. (1994). "The Shape of Gaspra". Icarus. 107 (1): 23–36. Bibcode:1994Icar..107...23T. doi:10.1006/icar.1994.1004. 
  6. Krasinsky, G. A.; Pitjeva, E. V.; Vasilyev, M. V.; Yagudina, E. I. (July 2002). "Hidden Mass in the Asteroid Belt". Icarus. 158 (1): 98–105. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.