| Minorplanet: | yes |
| Background: |
|
| 300 Geraldina | |
| Discovered: | 3 October 1890 |
| Mpc Name: | (300) Geraldina |
| Alt Names: | A890 TB, 1923 LB 1933 BV, 1950 DV 1953 PJ, 1961 AD |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Semimajor: | 3.2056AU |
| Perihelion: | 3.02385AU |
| Aphelion: | 3.38735abbr=onNaNabbr=on |
| Eccentricity: | 0.056698 |
| Period: | 2096.3days |
| Inclination: | 0.732270° |
| Asc Node: | 42.6693° |
| Arg Peri: | 325.681° |
| Rotation: | 6.8423abbr=onNaNabbr=on |
| Abs Magnitude: | 9.8 |
| Mean Motion: | / day |
| Observation Arc: | 42312days |
| Uncertainty: | 0 |
300 Geraldina is a large Main belt asteroid. It was discovered by Auguste Charlois on October 3, 1890, in Nice. The origin of the name is unknown. It is orbiting the Sun at a distance of with a period of 2096.3days and an eccentricity (ovalness) of 0.057. The orbital plane is tilted at an angle of 0.73° to the plane of the ecliptic.
Light curve analysis based on photometric observations of this asteroid made during 2005 show a rotation period of with a brightness variation of 0.18 in magnitude.