1309 Hyperborea

From Wikipedia, the free encyclopedia
Jump to: navigation, search
1309 Hyperborea
Discovery[1]
Discovered by Grigory Neujmin
Discovery site Simeiz Observatory
Discovery date 11 October 1931
Designations
MPC designation 1309
Named after
Hyperborea
1931 TO
outer main-belt asteroid[2]
Orbital characteristics[2][3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 96.55 yr (35266 days)
Aphelion 3.6884 AU (551.78 Gm)
Perihelion 2.7234 AU (407.41 Gm)
3.20593 AU (479.600 Gm)
Eccentricity 0.15050
5.74 yr (2096.7 d)
223.62°
0° 10m 18.12s / day
Inclination 10.279°
206.087°
244.995°
Earth MOID 1.7578 AU (262.96 Gm)
Jupiter MOID 1.70796 AU (255.507 Gm)
Jupiter Tisserand parameter 3.150
Physical characteristics
Dimensions 57.15 kilometres (35.51 mi) ± 3.9 kilometres (2.4 mi)
Mean diameter [4]
Mean radius
28.575±1.95 km
13.88 ± 0.02 hours,[5] 13.88 h (0.578 d) [2]
0.0450±0.007[2][4]
10.20,[6] 10.4 [2]

1309 Hyperborea (1931 TO) is an outer main-belt asteroid discovered on October 11, 1931, by Grigory Neujmin at Simeiz Observatory.[1] This asteroid was named for the homeland of the Hyperboreans a group of people from greek mythology.[7]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Archived from the original on 2 February 2009. Retrieved December 23, 2008. 
  2. ^ a b c d e "1309 Hyperborea (1931 TO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 27 April 2016. 
  3. ^ "(1309) Hyperborea". AstDyS. University of Pisa. Retrieved December 23, 2008. 
  4. ^ a b Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on 2010-01-17. Retrieved December 23, 2008. 
  5. ^ Oliver; et al. (2008). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2008 March". The Minor Planet Bulletin 35 (4): 149–150. Bibcode:2008MPBu...35..149O. 
  6. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on June 11, 2008. Retrieved December 24, 2008. 
  7. ^ Schmadel, Lutz (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 107. ISBN 978-3-540-00238-3. Retrieved December 23, 2008. Discovered 1931 Oct. 11 ... Named ... region in Greek mythology 

External links[edit]