2019 Ta7

From Handwiki
2019 TA7
Discovery [1]
Discovered byMLS
Discovery siteMount Lemon Obs.
Discovery date9 October 2019
(first observed only)
Designations
MPC designation
2019 TA7
Minor planet categoryNEO · Aten [1][2]
Orbital characteristics [2]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 7[2] · 8[1]
Observation arc4 days
|{{{apsis}}}|helion}}1.0991 AU
|{{{apsis}}}|helion}}0.4140 AU
Semi-major axis
0.7566 AU
Eccentricity0.4528
Orbital period240 days
Mean anomaly347.90°
Mean motion1° 29m 52.08s / day
Inclination4.1480°
Longitude of ascending node13.589°
|{{{apsis}}}|helion}}
158.80°
Earth MOID0.0093 AU (3.6 LD)
Physical characteristics
Mean diameter34 m (111 ft)
Apparent magnitude19.1 (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

2019 TA7 asteroid trajectory – as/of 14 October 2019
(Asteroid orbit is in white; Earth orbit is in blue)[2]

See also

  • Chelyabinsk meteor

References

  1. ↑ 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. ↑ 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. 
  3. ↑ 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. 
  4. ↑ 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
    • Ephemerides · Observations · Orbit · Physical Properties · Summary
  • 2019 TA7 at the JPL Small-Body Database
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters



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Categories: [Aten asteroids]

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