1256 Normannia
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg |
| Discovery date | 8 August 1932 |
| Designations | |
| MPC designation | 1256 |
| 1932 PD | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.90 yr (31374 days) |
| Aphelion | 4.1959047 AU (627.69841 Gm) |
| Perihelion | 3.5901273 AU (537.07540 Gm) |
| 3.893016 AU (582.3869 Gm) | |
| Eccentricity | 0.0778031 |
| 7.68 yr (2805.6 d) | |
| 314.09065° | |
| 0° 7m 41.931s / day | |
| Inclination | 4.173452° |
| 236.95455° | |
| 101.18889° | |
| Earth MOID | 2.5838 AU (386.53 Gm) |
| Jupiter MOID | 1.1568 AU (173.05 Gm) |
| Jupiter Tisserand parameter | 3.057 |
| Physical characteristics | |
Mean radius | 34.61±1.4 km |
| 490 h (20 d) | |
| 0.0504±0.004 | |
| 9.66 | |
|
| |
1256 Normannia (1932 PD) is an outer main-belt asteroid discovered on August 8, 1932, by K. Reinmuth at Heidelberg. It is a member of the Hilda group. Measurements of the lightcurve made in 2010 and 2011 give a rotation period of 18.13 ± 0.02 hours. It has a diameter of 69.2 km and a Tholen classification of type D.[2]
References
- ↑ "1256 Normannia (1932 PD)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 28 April 2016.
- ↑ Gartrelle, Gordon M. (April 2012), "Lightcurve Results for Eleven Asteroids", The Minor Planet Bulletin, 39 (2): 40–46, Bibcode:2012MPBu...39...40G, retrieved 2013-02-21.
External links
This article is issued from Wikipedia - version of the 9/9/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.