(2945) Zanstra Main-belt Asteroid
Discovered on 28 September 1935 by H. van Gent at Johannesburg.
Where Zanstra is today
Seen from above the solar system on 2026-10-14: Zanstra is 2.32 au from the Sun and 2.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2945 |
| Provisional designation | 1935 ST1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.7 km (#1,803 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0310 |
| Rotation period | 10.1 hours |
| Absolute magnitude (H) | 12.74 |
| Orbital period | 4.36 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.30 – 3.04 au |
| Eccentricity | 0.139 |
| Inclination | 2.62° |
| Closest distance between its orbit and Earth's (MOID) | 1.29 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 28 September 1935
- (1389) Onnie
- (1686) De Sitter
- (1986) Plaut
- (2019) van Albada
- (2203) van Rhijn
- (2801) Huygens
- (4296) van Woerkom
- (4359) Berlage
- (4511) Rembrandt
More named asteroids discovered by H. van Gent
- (1132) Hollandia
- (1133) Lugduna
- (1165) Imprinetta
- (1225) Ariane
- (1226) Golia
- (1267) Geertruida
- (1336) Zeelandia
- (1337) Gerarda
- (1342) Brabantia
- (1353) Maartje
- (1383) Limburgia
- (1384) Kniertje
← (2944) Peyo · (2946) Muchachos →