591 Irmgard
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 14 March 1906 |
| Designations | |
| 1906 TP | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.08 yr (40205 d) |
| Aphelion | 3.2342 AU (483.83 Gm) |
| Perihelion | 2.1241 AU (317.76 Gm) |
| 2.6792 AU (400.80 Gm) | |
| Eccentricity | 0.20718 |
| 4.39 yr (1601.8 d) | |
| 43.3627° | |
| 0° 13m 29.1s / day | |
| Inclination | 12.490° |
| 334.289° | |
| 217.191° | |
| Earth MOID | 1.13925 AU (170.429 Gm) |
| Jupiter MOID | 1.80753 AU (270.403 Gm) |
| Jupiter Tisserand parameter | 3.313 |
| Physical characteristics | |
Mean radius | 25.93±0.65 km |
| 7.35 h (0.306 d) | |
| 0.0364±0.002 | |
| 10.64 | |
|
| |
591 Irmgard is a minor planet orbiting the Sun.
References
- ↑ "591 Irmgard (1906 TP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
External links
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