5535 Annefrank
5535 Annefrank (/ˌænˈfræŋk/), provisional designation 1942 EM, is a stony Florian asteroid and suspected contact binary from the inner asteroid belt, approximately 4.5 kilometers in diameter. It was used as a target to practice the flyby technique that the Stardust space probe would later use on the comet Wild 2.
Annefrank viewed by Stardust in 2002 | |
| Discovery | |
|---|---|
| Discovered by | Karl Wilhelm Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 23 March 1942 |
| Designations | |
MPC designation | (5535) Annefrank |
Named after | Anne Frank (Holocaust victim) |
Alternative designations | 1942 EM · 1978 EK6 1986 TV14 · 1991 BO2 |
Minor planet category | main-belt · Flora |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 75.02 yr (27,400 days) |
| Aphelion | 2.3527 AU |
| Perihelion | 2.0721 AU |
Semi-major axis | 2.2124 AU |
| Eccentricity | 0.0634 |
Orbital period (sidereal) | 3.29 yr (1,202 days) |
Mean anomaly | 23.021° |
Mean motion | 0° 17m 58.2s / day |
| Inclination | 4.2473° |
Longitude of ascending node | 120.64° |
| 9.1351° | |
| Physical characteristics | |
| Dimensions | (6.6 x 5.0 x 3.4 km) 4.34±0.23 km 4.8 km 4.94 km (calculated) |
Synodic rotation period | 15.12 h 15.156±0.0474 h 21.33±0.990 h |
| 0.21±0.03 0.24 (assumed) 0.279±0.092 0.311±0.056 | |
| S | |
| 13.650±0.120 (R) · 13.679±0.001 (R) · 13.7 · 13.88±0.32 | |
The asteroid was discovered 23 March 1942, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. It was named after Anne Frank, a victim of the Holocaust.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.