Astronomy:591 Irmgard
From HandWiki
Short description: Minor planet orbiting the Sun
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 14 March 1906 |
| Designations | |
| (591) Irmgard | |
| Pronunciation | German: [ˈɪʁmɡaːt][1] |
| 1906 TP | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.08 yr (40205 d) |
| |{{{apsis}}}|helion}} | 3.2342 astronomical unit|AU (483.83 Gm) |
| |{{{apsis}}}|helion}} | 2.1241 AU (317.76 Gm) |
| 2.6792 AU (400.80 Gm) | |
| Eccentricity | 0.20718 |
| Orbital period | 4.39 yr (1601.8 d) |
| Mean anomaly | 43.3627° |
| Mean motion | 0° 13m 29.1s / day |
| Inclination | 12.490° |
| Longitude of ascending node | 334.289° |
| 217.191° | |
| Physical characteristics | |
| Mean radius | 25.93±0.65 km |
| Rotation period | 7.35 h (0.306 d) |
| Geometric albedo | 0.0364±0.002 |
| Absolute magnitude (H) | 10.64 |
Irmgard (minor planet designation: 591 Irmgard) is a minor planet orbiting the Sun.
References
External links
- 591 Irmgard at AstDyS-2, Asteroids—Dynamic Site
- 591 Irmgard at the JPL Small-Body Database
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