(2009 HG21)
Gate D11. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2009 HG21
- Kind
- asteroid
- Orbit class
- ATE
- Gate
- D11
- Classification
- SOLAR
- Absolute magnitude (H)
- 25
Orbital elements
- Eccentricity (e)
- 0.3679
- Semi-major axis (au)
- 0.9077
- Perihelion distance (au)
- 0.574
- Inclination (deg)
- 5.43
- Ascending node (deg)
- 32.33
- Argument of perihelion (deg)
- 317.13
- Mean anomaly (deg)
- 185.39
- Epoch (JD)
- 2461200.5
- Period (days)
- 316
- Earth MOID (au)
- 0.0165
- Observation arc (days)
- 3
- Observations used
- 27
- First observed
- 2009-04-20
- Last observed
- 2009-04-23
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2027-01-15 10:10:00 | 0.1492 | 14.59 |
JPL Small-Body Database record