890 Waltraut
Discovery[1] | |
---|---|
Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 11 March 1918 |
Designations | |
MPC designation | 890 Waltraut |
Eos asteroids | |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 95.39 yr (34842 days) |
Aphelion | 3.2017 AU (478.97 Gm) |
Perihelion | 2.8415 AU (425.08 Gm) |
3.0216 AU (452.02 Gm) | |
Eccentricity | 0.059606 |
5.25 yr (1918.5 d) | |
174.471° | |
0° 11m 15.54s / day | |
Inclination | 10.872° |
160.683° | |
90.307° | |
Earth MOID | 1.85498 AU (277.501 Gm) |
Jupiter MOID | 1.86879 AU (279.567 Gm) |
Jupiter Tisserand parameter | 3.216 |
Physical characteristics | |
Mean radius | ±0.85 13.665km |
12.581 h (0.5242 d) | |
±0.016 0.1153 | |
10.78 | |
|
890 Waltraut is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on March 11, 1918. It was named for a character in Richard Wagner's opera, Götterdämmerung or Twilight of the Gods.
This is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[3]
References
- ↑ Discovery Circumstances: Numbered Minor Planets
- ↑ Yeomans, Donald K., "890 Waltraut", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 3 May 2016.
- ↑ Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus, 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.
External links
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