Global Information874 Rotraut information
 Modelled shape of Rotraut from its lightcurve | |
| Discovery [1] | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 25 May 1917 |
| Designations | |
MPC designation | (874) Rotraut |
Named after | Schön Rotraut (poem by Eduard Mörike)[2] |
Alternative designations | A917 KK · 1976 WJ 1917 CC |
Minor planet category |
|
| Orbital characteristics [3] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 102.67 yr (37,499 d) |
| Aphelion | 3.4039 AU |
| Perihelion | 2.8992 AU |
Semi-major axis | 3.1515 AU |
| Eccentricity | 0.0801 |
Orbital period (sidereal) | 5.59 yr (2,044 d) |
Mean anomaly | 171.80° |
Mean motion | 0° 10m 34.32s / day |
| Inclination | 11.141° |
Longitude of ascending node | 190.63° |
Argument of perihelion | 9.4547° |
| Physical characteristics | |
| Dimensions | 51.1 km × 37.7 km[5] |
Mean diameter |
|
Synodic rotation period | 14.297 h[9][10] |
Pole ecliptic latitude |
|
Geometric albedo |
|
Spectral type |
|
Absolute magnitude (H) | 10.1[1][3] |
874 Rotraut (prov. designation: A917 KK or 1917 CC) is a dark and elongated background asteroid, approximately 58 kilometers (36 miles) in diameter, located in the outer region of the asteroid belt. It was discovered on 25 May 1917, by astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory is southwest Germany.[1] The hydrated carbonaceous C-type asteroid (Ch) has a rotation period of 14.3 hours. It was likely named after the ballad Schön Rotraut by German lyric poet Eduard Mörike (1804–1875).[2]
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