1620 Geographos (1951 RA)
Gate C20. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 1620
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C20
- Classification
- SOLAR
- Potentially hazardous
- yes
- Diameter (km)
- 2.56
- Absolute magnitude (H)
- 15.27
- Albedo
- 0.29
- Rotation period (h)
- 5.22204
Orbital elements
- Eccentricity (e)
- 0.3355
- Semi-major axis (au)
- 1.246
- Perihelion distance (au)
- 0.828
- Inclination (deg)
- 13.34
- Ascending node (deg)
- 337.13
- Argument of perihelion (deg)
- 277.03
- Mean anomaly (deg)
- 354.68
- Epoch (JD)
- 2461200.5
- Period (days)
- 508
- Earth MOID (au)
- 0.0295
- Observation arc (days)
- 27352
- Observations used
- 9321
- First observed
- 1951-09-14
- Last observed
- 2026-08-03
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2026-08-12 08:35:00 | 0.1704 | 8.36 |
| 2026-08-12 08:35:00 | 0.1704 | 8.36 |
| 2026-08-12 08:35:00 | 0.1704 | 8.36 |
JPL Small-Body Database record