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 ]

 

NEO DATE / TIME UTC DISTANCE LD | AU  Diameter
2019 FC1 March 28 @ 05:46 ± < 00:01 0.27 | 0.00069  20 - 45 m
2019 FQ March 23 @ 18:17 UTC ± < 00:01 0.86 | 0.00220  10 - 23 m
2019 EA2 March 22 @ 01:53 UTC ± 00:02 0.80 | 0.00205 18 - 40 m
2019 FA March 16 @ 01:14 UTC ± < 00:01 0.60 | 0.00154 4.9 - 11 m
2019 EN2 March 13 @ 23:38 UTC ± < 00:01 0.86 | 0.00221 8 - 18 m
2019 EH1 March 1 @ 17:38 UTC ± < 00:01 0.06 | 0.00016 2.5 - 5.7 m
2019 DF February 26 @ 21:21 UTC  ± 00:09 0.47 | 0.00120 3.0 m - 6.7 m
2019 DG2 Febraury 26 @ 07:39 UTC ± 07:39 0.61 | 0.00158 5.4 - 12 m
2019 CN5 February 11 @ 07:23 UTC ± 00:03 0.31 | 0.00079 7.3 m - 16 m
2019 BZ3 January 27 @ 23:29 ± < 00:01 0.13 | 0.00032  4.8 - 11 m
2019 BV1 January 24 @ 20:53 ± < 00:01 0.35 | 0.00090  4.8 - 11 m
2019 BO January 16 @ 01:13 ± 00:02 0.18 | 0.00046  6.3 - 14 m
2019 AE9 January 12 @ 11:09 ± < 00:01 0.26 | 0.00067  9.9 - 22 m
2019 AS5 January 8 @ 00:37 ± < 00:01 0.04 | 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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