1010 Marlene
| Discovery [1][2] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 12 November 1923 |
| Designations | |
| MPC designation | 1010 Marlene |
Named after | Marlene Dietrich[3] |
|
1923 PF · 1937 NB1 1950 CJ · 1950 EY A903 UD · A908 VA | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.42 yr (41061 days) |
| Aphelion | 3.2333 AU (483.69 Gm) |
| Perihelion | 2.6327 AU (393.85 Gm) |
| 2.9330 AU (438.77 Gm) | |
| Eccentricity | 0.10239 |
| 5.02 yr (1834.7 d) | |
| 187.64° | |
| 0° 11m 46.392s / day | |
| Inclination | 3.9057° |
| 98.775° | |
| 279.43° | |
| Earth MOID | 1.63689 AU (244.875 Gm) |
| Jupiter MOID | 2.22757 AU (333.240 Gm) |
| Jupiter Tisserand parameter | 3.264 |
| Physical characteristics | |
Mean radius | 21.735±0.55 km |
| 31.06 h (1.294 d) | |
Sidereal rotation period | 1.298[2] |
| 0.0647±0.003 | |
| 10.7 | |
|
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1010 Marlene is an main-belt asteroid about 44 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on November 12, 1923, and assigned a provisional designation was 1923 PF. It was later named after Marlene Dietrich, with the 1010 identifier indicating the order of the minor planet discovery.[3] Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 31.06 ± 0.02 hours and a brightness variation of 0.32 ± 0.02 in magnitude.[2]
References
- 1 2 "JPL Small-Body Database Browser: 1010 Marlene (1923 PF)" (2015-05-19 last obs.). Jet Propulsion Laboratory. Retrieved 2 May 2016.
- 1 2 3 Warner, Brian D. (2005), "Asteroid lightcurve analysis at the Palmer Divide Observatory - winter 2004-2005", The Minor Planet Bulletin 32 (3), pp. 54–58, Bibcode:2005MPBu...32...54W, retrieved 2013-02-03.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1010) Marlene. Springer Berlin Heidelberg. p. 87. ISBN 978-3-540-29925-7. Retrieved October 2015.
External links
- Dictionary of Minor Planet Names, Google books
- 1010 Marlene at the JPL Small-Body Database
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