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.[1][2][3][4][5]

2019 TA7
Discovery [1]
Discovered byMLS
Discovery siteMount Lemon Obs.
Discovery date9 October 2019
(first observed only)
Designations
2019 TA7
NEO · Aten [1][2]
Orbital characteristics [2]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 7[2] · 8[1]
Observation arc4 days
Aphelion1.0991 AU
Perihelion0.4140 AU
0.7566 AU
Eccentricity0.4528
240 days
347.90°
1° 29m 52.08s / day
Inclination4.1480°
13.589°
158.80°
Earth MOID0.0093 AU (3.6 LD)
Physical characteristics
Mean diameter
34 m (111 ft)
19.1 (brightest)[1]
26.29[2]
26.3[1]

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

    See also

    References
    1. "2019 TA7". Minor Planet Center. Retrieved 12 January 2020.
    2. "JPL Small-Body Database Browser: (2019 TA7)" (2019-10-13 last obs.). Jet Propulsion Laboratory. 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. Retrieved 14 October 2019.
    4. Staff (13 October 2019). "111-foot asteroid screeching towards Earth at over 22,000 miles per hour". RT News. Retrieved 14 October 2019.
    5. Georgiou, Aristos (15 October 2019). "2019 TA7: this 111 Foot-Wide Asteroid Just Made Its Closest Approach To Earth In 115 Years". Newsweek. Retrieved 15 October 2019.
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