(2021 AD4)
Gate D15. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2021 AD4
- Kind
- asteroid
- Orbit class
- ATE
- Gate
- D15
- Classification
- SOLAR
- Absolute magnitude (H)
- 25.66
Orbital elements
- Eccentricity (e)
- 0.0881
- Semi-major axis (au)
- 0.9072
- Perihelion distance (au)
- 0.827
- Inclination (deg)
- 9.46
- Ascending node (deg)
- 106.55
- Argument of perihelion (deg)
- 194.25
- Mean anomaly (deg)
- 262.05
- Epoch (JD)
- 2461200.5
- Period (days)
- 316
- Earth MOID (au)
- 0.000736
- Observation arc (days)
- 9
- Observations used
- 42
- First observed
- 2021-01-09
- Last observed
- 2021-01-18
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2026-12-31 03:35:00 | 0.2701 | 10.95 |
| 2027-06-24 03:09:00 | 0.1844 | 6.88 |
JPL Small-Body Database record