Asteroid 2019 FC1 flew past Earth at 0.27 lunar distances, largest of the year

Asteroid 2019 FC1 flew past Earth at 0.27 lunar distances, largest of the year

A relatively large asteroid designated 2019 FC1 flew past Earth at a distance of 0.27 LD / 0.00069 (103 222 km / 64 132 miles) on March 28, 2019. This is the largest known asteroid to flyby Earth within 1 lunar distance so far this year.

Asteroid 2019 FC1 belongs to the Apollo group of asteroids. It was first discovered at Mt. Lemmon Survey, Tucson, Arizona on March 29, one day after it made its close approach to Earth.

Its estimated diameter is between 20 and 45 m (65 - 147 feet) and it flew past us at a speed (relative to the Earth) of 25.92 km/s at 05:46 UTC.

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

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter
2019 FC1March 28 @ 05:46 ± < 00:010.27 | 0.00069 20 - 45 m
2019 FQMarch 23 @ 18:17 UTC ± < 00:010.86 | 0.00220 10 - 23 m
2019 EA2March 22 @ 01:53 UTC ± 00:020.80 | 0.0020518 - 40 m
2019 FAMarch 16 @ 01:14 UTC ± < 00:010.60 | 0.001544.9 - 11 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 4.8 - 11 m
2019 BV1January 24 @ 20:53 ± < 00:010.35 | 0.00090 4.8 - 11 m
2019 BOJanuary 16 @ 01:13 ± 00:020.18 | 0.00046 6.3 - 14 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 0.92 - 2.1 m

 

This is the 14th known asteroid to flyby Earth within 1 lunar distance since the start of the year and 6th this month.

References

Asteroid 2019 FC1 at Minor Planet Center; 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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