9344 Klopstock
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9344 Klopstock, provisional designation 1991 RB4, is a background asteroid from the inner regions of the asteroid belt. It was discovered on 12 September 1991, by German astronomers Freimut Börngen and Lutz Schmadel at the Karl Schwarzschild Observatory in Tautenburg, Germany. Poor observational data suggests that the asteroid is one of the darkest known objects with a diameter of approximately 17 kilometers (11 miles), while it is also an assumed stony asteroid with a much smaller diameter. It has a rotation period of 5.84 hours and was named after German poet Friedrich Gottlieb Klopstock.[1][2][4]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | F. Börngen L. D. Schmadel |
Discovery site | Karl Schwarzschild Obs. |
Discovery date | 12 September 1991 |
Designations | |
(9344) Klopstock | |
Named after | Friedrich Gottlieb Klopstock [1] (German poet) |
1991 RB4 · 1995 WK2 | |
main-belt [1][2] · (inner) background [3] · Vestian [4] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 26.35 yr (9,626 d) |
Aphelion | 2.5711 AU |
Perihelion | 2.1575 AU |
2.3643 AU | |
Eccentricity | 0.0875 |
3.64 yr (1,328 d) | |
342.64° | |
0° 16m 15.96s / day | |
Inclination | 5.0293° |
340.39° | |
156.40° | |
Physical characteristics | |
Mean diameter | 3.66 km (calculated)[4] 17.05±1.5 km[5] |
5.842±0.0031 h[6] | |
0.0116±0.002[5] 0.20 (assumed)[4] | |
S (assumed)[4] | |
14.095±0.003 (R)[6] 14.2[2] 14.55[4] 14.86±0.14[7] | |
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