| Minorplanet: | yes |
| 328 Gudrun | |
| Background: |
|
| Discovered: | 18 March 1892 |
| Mpc Name: | (328) Gudrun |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Semimajor: | 3.11062AU |
| Perihelion: | 2.78126AU |
| Aphelion: | 3.43998abbr=onNaNabbr=on |
| Eccentricity: | 0.10588 |
| Period: | 5.49 yr (2003.9 d) |
| Inclination: | 16.1164° |
| Asc Node: | 352.328° |
| Arg Peri: | 103.924° |
| Dimensions: | 122.59 ± 3.72 km |
| Density: | 3.27 ± 0.55 g/cm3 |
| Rotation: | 10.992abbr=onNaNabbr=on |
| Abs Magnitude: | 8.8 |
| Mean Motion: | / day |
| Orbit Ref: | [1] |
| Observation Arc: | 104.41 yr (38135 d) |
| Uncertainty: | 0 |
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 with a brightness variation of in B magnitude.