2019 TA7
Topic: Astronomy
From HandWiki - Reading time: 4 min
| Discovery [1] | |
|---|---|
| Discovered by | MLS |
| Discovery site | Mount Lemon Obs. |
| Discovery date | 9 October 2019 (first observed only) |
| Designations | |
| 2019 TA7 | |
| Minor planet category | NEO · Aten [1][2] |
| Orbital characteristics [2] | |
| Epoch 27 April 2019 (JD 2458600.5) | |
| Uncertainty parameter 7[2] · 8[1] | |
| Observation arc | 4 days |
| |{{{apsis}}}|helion}} | 1.0991 AU |
| |{{{apsis}}}|helion}} | 0.4140 AU |
| 0.7566 AU | |
| Eccentricity | 0.4528 |
| Orbital period | 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) |
| Apparent magnitude | 19.1 (brightest)[1] |
| Absolute magnitude (H) | 26.29[2] 26.3[1] |
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.[1][2][3][4]
Trajectory
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "2019 TA7". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2019+TA7. Retrieved 12 January 2020.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 "JPL Small-Body Database Browser: (2019 TA7)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3879167;cad=1. Retrieved 12 January 2020.
- ↑ Monzon, Inigo (13 October 2019). "NASA Asteroid 2019: 111-Foot NEO To Zip Past Earth On Monday". International Business Times. https://www.ibtimes.com/nasa-asteroid-2019-111-foot-neo-zip-past-earth-monday-2845252. Retrieved 14 October 2019.
- ↑ Georgiou, Aristos (15 October 2019). "2019 TA7: this 111 Foot-Wide Asteroid Just Made Its Closest Approach To Earth In 115 Years.". Newsweek. https://www.newsweek.com/2019-ta7-asteroid-close-approach-earth-115-years-1465243. Retrieved 15 October 2019.
External links
- 2019 TA7 at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2019 TA7 at ESA–space situational awareness
- 2019 TA7 at the JPL Small-Body Database
2019 in space | ||
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| Selected NEOs | ||
| Exoplanets |
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Licensed under CC BY-SA 3.0 | Source: https://handwiki.org/wiki/Astronomy:2019_TA77 views | ↧ Download this article as ZWI file
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