2019 TA7
2019 TA7 is an Aten (NEO) asteroid, estimated to be about 34 meters (111 feet) in diameter, that was first observed on 9 October 2019, and flew pass the Earth at 38,100 km/h (23,700 mph), about 0.01 AU (1,500,000 km; 930,000 mi) away, its closest encounter in 115 years, on 14 October 2019 at 6:53 pm ET.
| Discovery | |
|---|---|
| Discovered by | MLS |
| Discovery site | Mount Lemon Obs. |
| Discovery date | 9 October 2019 (first observed only) |
| Designations | |
MPC designation | 2019 TA7 |
Minor planet category | NEO · Aten |
| Orbital characteristics | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 7 · 8 | |
| Observation arc | 4 days |
| Aphelion | 1.0991 AU |
| Perihelion | 0.4140 AU |
Semi-major axis | 0.7566 AU |
| Eccentricity | 0.4528 |
Orbital period (sidereal) | 240 days |
Mean anomaly | 347.90° |
Mean motion | 1° 29m 52.08s / day |
| Inclination | 4.1480° |
Longitude of ascending node | 13.589° |
| 158.80° | |
| Earth MOID | 0.0093 AU (3.6 LD) |
| Physical characteristics | |
Mean diameter | 34 m (111 ft) |
| 19.1 (brightest) | |
| 26.29 26.3 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.