5535 Annefrank
Florian asteroid / From Wikipedia, the free encyclopedia
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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.[8]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | Karl Wilhelm Reinmuth |
Discovery site | Heidelberg Obs. |
Discovery date | 23 March 1942 |
Designations | |
(5535) Annefrank | |
Named after | Anne Frank (Holocaust victim)[2] |
1942 EM · 1978 EK6 1986 TV14 · 1991 BO2 | |
main-belt · Flora [3] | |
Orbital characteristics [1] | |
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 |
2.2124 AU | |
Eccentricity | 0.0634 |
3.29 yr (1,202 days) | |
23.021° | |
0° 17m 58.2s / day | |
Inclination | 4.2473° |
120.64° | |
9.1351° | |
Physical characteristics | |
Dimensions | (6.6 x 5.0 x 3.4 km)[1] 4.34±0.23 km[4] 4.8 km[1] 4.94 km (calculated)[3] |
15.12 h[5] 15.156±0.0474 h[6] 21.33±0.990 h[7] | |
0.21±0.03[8] 0.24 (assumed)[3] 0.279±0.092[9] 0.311±0.056[4] | |
S [3][8] | |
13.650±0.120 (R)[7] · 13.679±0.001 (R)[6] · 13.7[1][3][4] · 13.88±0.32[10] | |
Close
The asteroid was discovered 23 March 1942, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany.[11] It was named after Anne Frank, a victim of the Holocaust.[2]