(2011 QG21)
Gate C22. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2011 QG21
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C22
- Classification
- SOLAR
- Absolute magnitude (H)
- 21.71
Orbital elements
- Eccentricity (e)
- 0.4385
- Semi-major axis (au)
- 1.216
- Perihelion distance (au)
- 0.683
- Inclination (deg)
- 18.78
- Ascending node (deg)
- 324.93
- Argument of perihelion (deg)
- 255.13
- Mean anomaly (deg)
- 73.2
- Epoch (JD)
- 2461200.5
- Period (days)
- 490
- Earth MOID (au)
- 0.0509
- Observation arc (days)
- 1482
- Observations used
- 51
- First observed
- 2011-08-22
- Last observed
- 2015-09-12
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2027-08-29 03:24:00 | 0.4368 | 28 |
JPL Small-Body Database record