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972 Cohnia 
Summary
972 Cohnia is a minor planet orbiting the Sun, one of several such in the asteroid belt. It was discovered on 18 January 1908 by a team in Heidelberg led by Max Wolf. In 2007, lightcurve data showed that Cohnia rotates every 18.472 ± 0.004 hours.[2]
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 18 January 1922 |
| Designations | |
| (972) Cohnia | |
| Pronunciation | /ˈkoʊniə/ |
| 1922 LK | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.24 yr (40266 days) |
| Aphelion | 3.7748 AU (564.70 Gm) |
| Perihelion | 2.3388 AU (349.88 Gm) |
| 3.0568 AU (457.29 Gm) | |
| Eccentricity | 0.23487 |
| 5.34 yr (1952.1 d) | |
| 294.244° | |
| 0° 11m 3.912s / day | |
| Inclination | 8.3709° |
| 281.530° | |
| 93.837° | |
| Physical characteristics | |
Mean radius | 37.825±0.95 km |
| 18.472 h (0.7697 d) | |
| 0.0489±0.003 | |
| 9.50 | |
It is named after the German astronomer Fritz Cohn.
References edit
- ^ "972 Cohnia (1922 LK)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
- ^ Buchheim, Robert K. - Lightcurves for 122 Gerda, 217 Eudora, 631 Phillipina, 670 Ottegebe, and 972 Cohnia (2007)
External links edit
- 972 Cohnia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 972 Cohnia at the JPL Small-Body Database
