138947 (2001 BA40)
Gate C5. Data: NASA/JPL-Caltech, presented by Arrivals.earth.
Object
- Designation
- 138947
- Kind
- asteroid
- Orbit class
- APO
- Gate
- C5
- Classification
- SOLAR
- Diameter (km)
- 0.447
- Absolute magnitude (H)
- 18.83
- Albedo
- 0.292
Orbital elements
- Eccentricity (e)
- 0.2538
- Semi-major axis (au)
- 1.119
- Perihelion distance (au)
- 0.835
- Inclination (deg)
- 12.85
- Ascending node (deg)
- 270.86
- Argument of perihelion (deg)
- 0.1
- Mean anomaly (deg)
- 37.42
- Epoch (JD)
- 2461200.5
- Period (days)
- 432
- Earth MOID (au)
- 0.181
- Observation arc (days)
- 9136
- Observations used
- 535
- First observed
- 2001-01-23
- Last observed
- 2026-01-28
Close approaches to Earth
| Time (UTC, 3-sigma uncertainty applies) | Distance (au) | Relative velocity (km/s) |
|---|
| 2027-07-17 08:14:00 | 0.1867 | 9.99 |
JPL Small-Body Database record