Asteroid 2019 UB8 to fly by Earth at 0.5 LD on October 29

Asteroid 2019 UB8 to fly by Earth at 0.5 LD on October 29

A newly discovered asteroid designated 2019 UB8 will fly by Earth at a distance of 0.50 LD / 0.00127 AU (189 989 km / 118 053 miles) at 06:30 UTC on October 29, 2019. This is the 58th known asteroid to flyby Earth within 1 lunar distance since the start of the year and the 9th this month.

2019 UB8 belongs to the Apollo group of asteroids. It was first observed at Mr. Lemmon Survey, Arizona on October 27, two days before its close approach to our planet.

Its estimated diameter is between 4 and 8.9 meters (13 - 29 feet).

The object flew past us at a speed (relative to the Earth) of 10.57 km/s.

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

 

NEODATE / TIME UTCDISTANCE LD | AU Diameter (m)
2019 UG8October 29 @ 06:30 ± 00:030.50 | 0.001274 - 8.9
2019 UO8October 25 @ 13:30 ± 00:010.41 | 0.001053.1 - 6.9
2019 UN8October 23 @ 16:41 ± 00:170.93 | 0.00235 3.1 - 6.9
2019 UL3October 19 @ 22:23 ± 00:080.77 | 0.001996 - 13
2019 UGOctober 18 @ 09:23 ± < 00:010.84 | 0.002156.8 - 15
2019 UU1October 18 @ 06:23 ± < 00:010.59 | 0.001502.1 - 5.1
2019 TN5October 5 @ 22:38 ± < 00:010.32 | 0.000835.5 - 12
2019 SP3October 3 @ 06:36 ± 00:340.97 | 0.0024813 - 30
2019 SM8October 1 @ 13:56 ± < 00:01 0.41 | ​0.001063.8 - 8.6
2019 TDSeptember 29 @ 18:50 ± 00:130.34 | ​0.000874.1 - 9.1
2019 TESeptember 28 @ 20:31 ± 01:310.93 | 0.002386.8 - 15
2019 SX8September 28 @ 07:49 ± 00:380.99 | 0.002554.6 - 10
2019 SS3September 22 @ 22:48 ± 00:210.73 | 0.0018815 - 34
2019 SS2September 21 @ 07:12 ± 00:020.30 | ​0.000772 - 4.4
2019 SD1September 21 @ 06:46 ± < 00:01 0.73 | 0.001875.5 - 12
2019 SU2September 21 @ 02:48 ± 00:050.19 | 0.000482.7 - 6.1
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

 

There are a total of 21 316 known near-Earth objects (NEOs) as of October 25, 2019, 116 more than on October 20. 108 of them are near-Earth comets (NEC), 900 are asteroids with diameters roughly 1 km (0.62 miles) and larger (NEA-km).

Our sky surveys have discovered a total of 1 926 NEOs since January 1, 2019. 1 839 were discovered during the entire 2018.

Reference:

Asteroid 2019 UB8 at Minor Planet Center; at CNEOS

Featured image credit: MPC

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