328 Gudrun
Gudrun (minor planet designation: 328 Gudrun) is a main-belt asteroid.
Modelled shape of Gudrun from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 18 March 1892 |
| Designations | |
MPC designation | (328) Gudrun |
| Pronunciation | /ˈɡʊdruːn/ |
Named after | Gudrun |
Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.41 yr (38135 d) |
| Aphelion | 3.43998 AU (514.614 Gm) |
| Perihelion | 2.78126 AU (416.071 Gm) |
Semi-major axis | 3.11062 AU (465.342 Gm) |
| Eccentricity | 0.10588 |
Orbital period (sidereal) | 5.49 yr (2003.9 d) |
Mean anomaly | 325.246° |
Mean motion | 0° 10m 46.747s / day |
| Inclination | 16.1164° |
Longitude of ascending node | 352.328° |
| 103.924° | |
| Physical characteristics | |
| Dimensions | 122.92±5.2 km 122.59 ± 3.72 km |
| Mass | (3.16 ± 0.46) × 1018 kg |
Mean density | 3.27 ± 0.55 g/cm3 |
Synodic rotation period | 10.992 h (0.4580 d) |
| 0.0425±0.004 | |
| 8.8 | |
It was discovered by Max Wolf on March 18, 1892, in Heidelberg.
Analysis of the light curve generated from photometric data collected in March 2012 provide a rotation period estimate of 10.992±0.002 h with a brightness variation of 0.32±0.02 in B magnitude.
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