Asteroid 2019 SJ flew past Earth at 0.64 LD

Asteroid 2019 SJ flew past Earth at 0.64 LD

A newly discovered asteroid designated 2019 SJ flew past Earth at 0.64 LD / 0.00163 AU (243 844 km / 151 517 miles) on September 16, 2019. This is the 43rd known asteroid to flyby Earth within 1 lunar distance since the start of the year and 4th this month.

2019 SJ belongs to the Apollo group of asteroids. It was first observed at Mt. Lemmon Survey, Arizona on September 19, three days after its close approach.

Its estimated diameter is between 8.6 - 19 m (28 - 62 feet).

The object flew past us at a speed (relative to the Earth) of 8.67 km/s at 18:55 UTC.

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

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter (m)
2019 SJSeptember 16 18:55 ± 00:030.64 | 0.001638.6 - 19
2019 RC1September 7 @ 10:48 ± 00:040.48 | ​0.001234.5 - 10
2019 RP1September 5 @ 22:04± < 00:01 0.10 | ​0.000257.4 - 17
2019 RQSeptember 2 @ 16:45 ± < 00:01 0.29 | ​0.000742.1 - 4.6
2019 QQ3August 26 @ 15:14 ± 00:010.25 | 0.000643.7 - 8.2
2019 QR8August 26 @ 08:51 ± 01:080.80 | 0.002076.6 - 15
2019 QDAugust 22 @ 01:28 ± < 00:08 0.78 | 0.002004.7 - 11
2019 QH2August 20 @ 18:12 ± 00:080.13 | 0.000332.2 - 5
2019 QB1August 20 @ 11:55 ± 00:080.32 | 0.000829.3 - 21
2019 ON3July 29 @ 01:19 ±  00:140.56 | 0.001437.4 - 16
2019 OD3July 28 @ 02:56 ± < 00:010.49 | 0.0012611 - 25
2019 OKJuly 25 @ 01:22 ± < 00:040.19 | ​0.0004857 - 130
2019 ODJuly 24 @ 13:31 ± 00:040.93 | ​0.0023954 - 120
2019 NN3July 10 @ 16:29 ± < 00:010.83 | 0.0021435 - 77
2019 NF7July 9 @ 12:07 ± < 00:01 0.98 | 0.002536.4 - 14
2019 MB4July 9 @ 07:20 ± < 00:010.82 | 0.0021117 - 38
2019 NK1July 2 @ 09:48 ± 00:050.69 | 0.001772.9 - 6.5
2019 LW4June 8 @ 17:04 ± < 00:010.65 | ​​0.001669.3 - 21
2019 LY4June 6 @ 01:30 ± < 00:010.22 | ​​0.000567.3 - 16
2019 KTMay 28 @ 03:48 ± < 00:010.85 | ​0.0021713 - 29
2019 JH2May 16 @ 00:06 ± < 00:010.19 | ​0.000483.1 - 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 | 0.002383 - 6.6
2019 FV1March 31 @ 05:27 ± < 00:010.87 | 0.002234.6 - 10
2019 FC1March 28 @ 05:46 ± < 00:010.27 | 0.0006920 - 45
2019 FQMarch 23 @ 18:17 UTC ± < 00:010.86 | 0.0022010 - 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 SJ at CNEOS; at Minor Planet Center

Featured image credit: CNEOS

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