(2021 RA4)
Gate D9. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2021 RA4
- Kind
- asteroid
- Orbit class
- ATE
- Gate
- D9
- Classification
- SOLAR
- Absolute magnitude (H)
- 24.32
Orbital elements
- Eccentricity (e)
- 0.2618
- Semi-major axis (au)
- 0.8966
- Perihelion distance (au)
- 0.662
- Inclination (deg)
- 17.66
- Ascending node (deg)
- 165.01
- Argument of perihelion (deg)
- 33.65
- Mean anomaly (deg)
- 338.9
- Epoch (JD)
- 2461200.5
- Period (days)
- 310
- Earth MOID (au)
- 0.0487
- Observation arc (days)
- 16
- Observations used
- 41
- First observed
- 2021-09-08
- Last observed
- 2021-09-24
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2027-06-03 13:57:00 | 0.3935 | 8.77 |
| 2027-10-04 00:59:00 | 0.2473 | 9.61 |
JPL Small-Body Database record