| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg |
| Discovery date | 26 March 1905 |
| Designations | |
| MPC designation | (561) Ingwelde |
| Pronunciation | German: [ˈɪŋvɛldə] |
| Alternative designations | 1905 QG |
| Orbital characteristics | |
| 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) |
| Semi-major axis | 3.1748 AU (474.94 Gm) |
| Eccentricity | 0.11589 |
| Orbital period (sidereal) | 5.66 yr (2066.2 d) |
| Mean anomaly | 326.466° |
| Mean motion | 0° 10 27.228 / day |
| Inclination | 1.5440° |
| Longitude of ascending node | 159.502° |
| Argument of perihelion | 315.780° |
| Physical characteristics | |
| Mean radius | 12.25±0.8 km |
| Synodic rotation period | 12.012 h (0.5005 d) |
| Geometric albedo | 0.0966±0.014 |
| Absolute magnitude (H) | 11.21 |
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.
References
- "561 Ingwelde (1905 QG)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- "Universal Edition".
External links
- 561 Ingwelde at AstDyS-2, Asteroids—Dynamic Site
- 561 Ingwelde at the JPL Small-Body Database
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_mathilde.jpg){kind=small} | This article about a C-type asteroid native to the asteroid belt is a stub. You can help Misplaced Pages by expanding it. |