(2021 SD2)
Gate C16. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 2021 SD2
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C16
- Classification
- SOLAR
- Absolute magnitude (H)
- 26.92
Orbital elements
- Eccentricity (e)
- 0.2594
- Semi-major axis (au)
- 1.158
- Perihelion distance (au)
- 0.857
- Inclination (deg)
- 2.21
- Ascending node (deg)
- 353.82
- Argument of perihelion (deg)
- 92.46
- Mean anomaly (deg)
- 223.55
- Epoch (JD)
- 2461200.5
- Period (days)
- 455
- Earth MOID (au)
- 0.0117
- Observation arc (days)
- 8
- Observations used
- 26
- First observed
- 2021-09-29
- Last observed
- 2021-10-07
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2026-09-29 12:18:00 | 0.1053 | 9.88 |
| 2027-05-12 12:25:00 | 0.389 | 7.22 |
JPL Small-Body Database record