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
- 1 2 "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Archived from the original on 2 February 2009. Retrieved December 23, 2008.
- 1 2 3 4 5 "1309 Hyperborea (1931 TO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 27 April 2016.
- ↑ "(1309) Hyperborea". AstDyS. University of Pisa. Retrieved December 23, 2008.
- 1 2 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.
- ↑ 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.
- ↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on June 17, 2012. Retrieved December 24, 2008.
- ↑ 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
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