Asteroid 2019 EN2 flew past Earth at 0.86 lunar distances

Asteroid 2019 EN2 flew past Earth at 0.86 lunar distances

Asteroid designated 2019 EN2 flew past Earth at a distance of 0.86 LD / 0.00221 AU (330 611 km / 205 432 miles) on March 13, 2019, one day before it was discovered.

This object belongs to the Apollo group of asteroids. It was first observed at Palomar Mountain (ZTF), California, US on March 14.

Its estimated diameter is between 8 and 18 m (26 - 59 feet) and it flew past Earth at a speed (relative to the Earth) of 9.83 km/s at 23:38 UTC.

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

This is the 11th known asteroid to flyby Earth within 1 lunar distance since the start of the year, including 2019 EA2 expected to make its close approach on March 22.

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter
2019 EA2March 22 @ 01:58 UTC ± 05:300.80 | 0.0020417 - 37 m
2019 EN2March 13 @ 23:38 UTC ± < 00:010.86 | 0.002218 - 18 m
2019 EH1March 1 @ 17:38 UTC ± < 00:010.06 | 0.000162.5 - 5.7 m
2019 DFFebruary 26 @ 21:21 UTC  ± 00:090.47 | 0.001203.0 m - 6.7 m
2019 DG2Febraury 26 @ 07:39 UTC ± 07:390.61 |  0.001585.4 - 12 m
2019 CN5February 11 @ 07:23 UTC ± 00:030.31 | 0.000797.3 m - 16 m
2019 BZ3January 27 @ 23:29 ± < 00:010.13 | 0.00032 5.0 - 11 m
2019 BV1January 24 @ 20:53 ± < 00:010.35 | 0.00090 4.9 - 11 m
2019 BOJanuary 16 @ 01:13 ± 00:020.18 | 0.00046 6.6 - 15 m
2019 AE9January 12 @ 11:09 ± < 00:010.26 | 0.00067 9.9 - 22 m
2019 AS5January 8 @ 00:37 ± < 00:010.04 | 0.00010 0.95 - 2.1 m

 

References

Asteroid 2019 EN2 at Minor Planet Center; at CNEOS

Featured image: The green line indicates the object's apparent motion relative to the Earth, and the bright green marks are the object's location at approximately half hour intervals. The Moon's orbit is grey. The blue arrow points in the direction of Earth's motion and the yellow arrow points toward the Sun. Credit: Minor Planet Center


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