(2021 HD)
Gate D7. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2021 HD
- Kind
- asteroid
- Orbit class
- ATE
- Gate
- D7
- Classification
- SOLAR
- Absolute magnitude (H)
- 26.27
Orbital elements
- Eccentricity (e)
- 0.3275
- Semi-major axis (au)
- 0.9137
- Perihelion distance (au)
- 0.615
- Inclination (deg)
- 14.08
- Ascending node (deg)
- 208.36
- Argument of perihelion (deg)
- 127.65
- Mean anomaly (deg)
- 223.92
- Epoch (JD)
- 2461200.5
- Period (days)
- 319
- Earth MOID (au)
- 0.00906
- Observation arc (days)
- 4
- Observations used
- 22
- First observed
- 2021-04-16
- Last observed
- 2021-04-20
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2026-11-26 20:05:00 | 0.2258 | 10.67 |
| 2027-08-17 16:54:00 | 0.4315 | 14.85 |
JPL Small-Body Database record