Asteroid 2019 GP21 flew past Earth at 0.93 LD

Asteroid 2019 GP21 flew past Earth at 0.93 LD

A newly discovered asteroid designated 2019 GP21 flew past Earth at a distance of 0.93 LD / 0.00188 AU (281 243 km / 174 756 miles) on March 31, 2019. It was the second asteroid to flyby Earth that day.

The object was first observed at Pan-STARRS 1, Haleakala on April 3, 2019 but was just recently announced to the public by CNEOS.

It belongs to the Apollo group of asteroids and has an estimated diameter between 3 and 6.6 m (9.8 - 21.6 feet).

If flew past us at a speed (relative to the Earth) of 10.98 km/s at 19:00 UTC  ± 07:46.

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

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter
2019 HEApril 20 @ 21:12 ± < 00:010.58 | 0.0014913 - 30 m
2019 GC6April 18 @ 06:39 ± 00:290.57 | 0.0014713 - 28 m
2019 GN20April 12 @ 07:06 ± < 00:010.98 | 0.0025314 - 31 m
2019 FP21March 31 @ 19:00  ±  07:460.93 | 0.00238 3 - 6.6 m
2019 FV1March 31 @ 05:27 ± < 00:010.87 | 0.002234.6 - 10 m
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 - 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 - 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


References

2019 GP21 at Minor Planet Center; at CNEOS

Featured image credit: CNEOS

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