| Minorplanet: | yes |
| Background: |
|
| 305 Gordonia | |
| Discovered: | 16 February 1891 |
| Mpc Name: | (305) Gordonia |
| Alt Names: | A891 DA; |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Semimajor: | 3.09407AU |
| Perihelion: | 2.49627AU |
| Aphelion: | 3.69187abbr=onNaNabbr=on |
| Eccentricity: | 0.19321 |
| Period: | 5.44 yr (1987.9 d) |
| Inclination: | 4.44401° |
| Asc Node: | 207.494° |
| Arg Peri: | 261.346° |
| Rotation: | 12.893abbr=onNaNabbr=on |
| Abs Magnitude: | 8.77 |
| Mean Motion: | / day |
| Orbit Ref: | [1] |
| Observation Arc: | 123.90 yr (45255 d) |
| Uncertainty: | 0 |
305 Gordonia is a fairly typical, although sizeable Main belt asteroid.[2]
It was discovered by Auguste Charlois on 16 February 1891 in Nice and named after James Gordon Bennett Jr., his patron.
The light curve of 305 Gordonia shows a periodicity of, during which time the brightness of the object varies by in magnitude.