(2009 HA21)
Gate C5. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2009 HA21
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C5
- Classification
- SOLAR
- Potentially hazardous
- yes
- Absolute magnitude (H)
- 20.85
Orbital elements
- Eccentricity (e)
- 0.729
- Semi-major axis (au)
- 1.461
- Perihelion distance (au)
- 0.396
- Inclination (deg)
- 6.41
- Ascending node (deg)
- 205.38
- Argument of perihelion (deg)
- 219.93
- Mean anomaly (deg)
- 314.64
- Epoch (JD)
- 2461200.5
- Period (days)
- 645
- Earth MOID (au)
- 0.0462
- Observation arc (days)
- 5109
- Observations used
- 98
- First observed
- 2009-04-20
- Last observed
- 2023-04-16
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2026-07-16 21:05:00 | 0.357 | 34.12 |
JPL Small-Body Database record