551 Ortrud
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Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 16 November 1904 |
Designations | |
(551) Ortrud | |
Pronunciation | German: [ˈɔʁtʁʊt][1] |
1904 PM | |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 111.06 yr (40565 d) |
Aphelion | 3.3325 AU (498.53 Gm) |
Perihelion | 2.6019 AU (389.24 Gm) |
2.9672 AU (443.89 Gm) | |
Eccentricity | 0.12311 |
5.11 yr (1866.9 d) | |
306.688° | |
0° 11m 34.188s / day | |
Inclination | 0.39727° |
6.0272° | |
68.010° | |
Physical characteristics | |
Mean radius | 39.23±2.05 km |
13.05 h (0.544 d) | |
0.0426±0.005 | |
9.57 | |
Ortrud (minor planet designation: 551 Ortrud) is a minor planet orbiting the Sun. It is located in the Main Belt. In light of the practice of the discover c. 1904 to name his asteroids after female characters in opera, it is likely that Ortrud is named after a character in Richard Wagner's opera Lohengrin.
References
- ^ (German Names)
- ^ "551 Ortrud (1904 PM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
External links
- 551 Ortrud at AstDyS-2, Asteroids—Dynamic Site
- 551 Ortrud at the JPL Small-Body Database
Categories:
- Articles with short description
- Short description is different from Wikidata
- Use dmy dates from October 2019
- Pages with German IPA
- Minor planet object articles (numbered)
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- Background asteroids
- Discoveries by Max Wolf
- Named minor planets
- Richard Wagner
- XC-type asteroids (Tholen)
- C-type asteroids (SMASS)
- Astronomical objects discovered in 1904
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