(2021 HC3)
Gate C22. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2021 HC3
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C22
- Classification
- SOLAR
- Potentially hazardous
- yes
- Absolute magnitude (H)
- 21.57
- Rotation period (h)
- 0.038472
Orbital elements
- Eccentricity (e)
- 0.6755
- Semi-major axis (au)
- 1.122
- Perihelion distance (au)
- 0.364
- Inclination (deg)
- 28.4
- Ascending node (deg)
- 219.53
- Argument of perihelion (deg)
- 132.15
- Mean anomaly (deg)
- 59.63
- Epoch (JD)
- 2461200.5
- Period (days)
- 434
- Earth MOID (au)
- 0.0474
- Observation arc (days)
- 1556
- Observations used
- 145
- First observed
- 2018-02-18
- Last observed
- 2022-05-24
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2027-04-21 16:25:00 | 0.3408 | 35.17 |
JPL Small-Body Database record