Asteroid 2019 NK1 flew past Earth at 0.69 LD

Asteroid 2019 NK1 flew past Earth at 0.69 LD

A newly discovered asteroid designated 2019 NK1 flew past Earth at 0.69 LD / 0.00177 AU (264 788 km / 164 531 miles) on July 2, 2019. This is the first known asteroid to flyby Earth within 1 lunar distance since June 8. A similarly sized asteroid was discovered on June 28 and designated 2019 MO; this object entered Earth's atmosphere and exploded south of Puerto Rico at 21:25 UTC, 12 hours after it was discovered.

2019 NK1 was first observed at Mt. Lemmon Survey on July 4, 2019.

Its estimated diameter is between 2.9 and 6.5 m (9.5 - 21.3 feet) and it belongs to the Apollo group of asteroids.

The object flew past us unnoticeably at 09:48 UTC on July 2 at a speed (relative to the Earth) of 8.27 km/s.

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

This is the 27th known asteroid to flyby Earth within 1 LD since the start of the year.

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter (m)
2019 NK1July 2 @ 09:48 UTC ± 00:050.69 | 0.001772.9 - 6.5 m
2019 LW4June 8 @ 17:04 ± < 00:010.65 | ​​0.001669.3 - 21 m
2019 LY4June 6 @ 01:30 ± < 00:010.22 | ​​0.000567.3 - 16
2019 KTMay 28 @ 03:48 ± < 00:010.85 | ​0.00217 13 - 29
2019 JH2May 16 @ 00:06 ± < 00:010.19 | ​0.00048 3.1 - 7
2019 JY2May 5 @ 17:12 ± < 00:010.38 | 0.000983.3 - 7.3
2019 JX1May 2 @ 12:39 ± 00:020.47 | 0.001203.8 - 8.6
2019 JKApril 30 @ 08:12 UTC ± 00:010.69 | 0.001787.1 - 16
2019 HEApril 20 @ 21:12 ± < 00:010.58 | 0.0014913 - 30
2019 GC6April 18 @ 06:39 ± 00:290.57 | 0.0014713 - 28
2019 GN20April 12 @ 07:06 ± < 00:010.98 | 0.0025314 - 31
2019 FP21March 31 @ 19:00  ±  07:460.93 | 0.00238 3 - 6.6
2019 FV1March 31 @ 05:27 ± < 00:010.87 | 0.002234.6 - 10
2019 FC1March 28 @ 05:46 ± < 00:010.27 | 0.00069 20 - 45
2019 FQMarch 23 @ 18:17 UTC ± < 00:010.86 | 0.00220 10 - 23
2019 EA2March 22 @ 01:53 UTC ± 00:020.80 | 0.0020518 - 40
2019 FAMarch 16 @ 01:14 UTC ± < 00:010.60 | 0.001544.9 - 11
2019 EN2March 13 @ 23:38 UTC ± < 00:010.86 | 0.002218 - 18
2019 EH1March 1 @ 17:38 UTC ± < 00:010.06 | 0.000162.5 - 5.7
2019 DFFebruary 26 @ 21:21 UTC  ± 00:090.47 | 0.001203.0 - 6.7
2019 DG2Febraury 26 @ 07:39 UTC ± 07:390.61 | 0.001585.4 - 12
2019 CN5February 11 @ 07:23 UTC ± 00:030.31 | 0.000797.3 - 16
2019 BZ3January 27 @ 23:29 ± < 00:010.13 | 0.00032 4.8 - 11
2019 BV1January 24 @ 20:53 ± < 00:010.35 | 0.00090 4.8 - 11
2019 BOJanuary 16 @ 01:13 ± 00:020.18 | 0.00046 6.3 - 14
2019 AE9January 12 @ 11:09 ± < 00:010.26 | 0.00067 9.9 - 22
2019 AS5January 8 @ 00:37 ± < 00:010.04 | 0.00010 0.92 - 2.1

 

References

Asteroid 2019 NK1 at CNEOS; at Minor Planet Center

Featured image credit: CNEOS

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