Astronomy:328 Gudrun
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Short description: Main-belt asteroid
_Gudrun.png) Modelled shape of Gudrun from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 18 March 1892 |
| Designations | |
| (328) Gudrun | |
| Pronunciation | /ˈɡʊdruːn/[1] |
| Named after | Gudrun |
| Minor planet category | Main belt |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 104.41 yr (38135 d) |
| |{{{apsis}}}|helion}} | 3.43998 astronomical unit|AU (514.614 Gm) |
| |{{{apsis}}}|helion}} | 2.78126 AU (416.071 Gm) |
| 3.11062 AU (465.342 Gm) | |
| Eccentricity | 0.10588 |
| Orbital period | 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[2] 122.59 ± 3.72 km[3] |
| Mass | (3.16 ± 0.46) × 1018 kg[3] |
| Mean density | 3.27 ± 0.55 g/cm3[3] |
| Rotation period | 10.992 h (0.4580 d) |
| Geometric albedo | 0.0425±0.004 |
| Absolute magnitude (H) | 8.8 |
Gudrun (minor planet designation: 328 Gudrun) is a main-belt asteroid.
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.[4]
References
- ↑ "Gudrun". Merriam-Webster Dictionary. https://www.merriam-webster.com/dictionary/Gudrun.
- ↑ 2.0 2.1 "328 Gudrun". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=328;cad=1.
- ↑ 3.0 3.1 3.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: pp. 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C. See Table 1.
- ↑ Schmidt, Richard E. (July 2012), "The Rotation Period of 328 Gudrun", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 39 (3): p. 109, Bibcode: 2012MPBu...39..109S.
External links
- 328 Gudrun at AstDyS-2, Asteroids—Dynamic Site
- 328 Gudrun at the JPL Small-Body Database
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