561 Ingwelde
Ingwelde (minor planet designation: 561 Ingwelde) is a Themistian asteroid. In light of Max Wolf's practice ca. 1905 of naming his discoveries after operatic heroines, it is most likely named after the title character of Ingwelde, an opera by Max von Schillings premiered in Karlsruhe in 1894.[2]
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg |
| Discovery date | 26 March 1905 |
| Designations | |
| (561) Ingwelde | |
| Pronunciation | German: [ˈɪŋvɛldə] |
| 1905 QG | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.90 yr (40505 d) |
| Aphelion | 3.5428 AU (530.00 Gm) |
| Perihelion | 2.8069 AU (419.91 Gm) |
| 3.1748 AU (474.94 Gm) | |
| Eccentricity | 0.11589 |
| 5.66 yr (2066.2 d) | |
| 326.466° | |
| 0° 10m 27.228s / day | |
| Inclination | 1.5440° |
| 159.502° | |
| 315.780° | |
| Physical characteristics | |
Mean radius | 12.25±0.8 km |
| 12.012 h (0.5005 d) | |
| 0.0966±0.014 | |
| 11.21 | |
References
- "561 Ingwelde (1905 QG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
External links
- 561 Ingwelde at AstDyS-2, Asteroids—Dynamic Site
- 561 Ingwelde at the JPL Small-Body Database
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