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 ]
| NEO | DATE / TIME UTC | DISTANCE LD | AU | Diameter (m) | ||||
| 2019 UG8 | October 29 @ 06:30 ± 00:03 | 0.50 | 0.00127 | 4 – 8.9 | ||||
| 2019 UO8 | October 25 @ 13:30 ± 00:01 | 0.41 | 0.00105 | 3.1 – 6.9 | ||||
| 2019 UN8 | October 23 @ 16:41 ± 00:17 | 0.93 | 0.00235 | 3.1 – 6.9 | ||||
| 2019 UL3 | October 19 @ 22:23 ± 00:08 | 0.77 | 0.00199 | 6 – 13 | ||||
| 2019 UG | October 18 @ 09:23 ± < 00:01 | 0.84 | 0.00215 | 6.8 – 15 | ||||
| 2019 UU1 | October 18 @ 06:23 ± < 00:01 | 0.59 | 0.00150 | 2.1 – 5.1 | ||||
| 2019 TN5 | October 5 @ 22:38 ± < 00:01 | 0.32 | 0.00083 | 5.5 – 12 | ||||
| 2019 SP3 | October 3 @ 06:36 ± 00:34 | 0.97 | 0.00248 | 13 – 30 | ||||
| 2019 SM8 | October 1 @ 13:56 ± < 00:01 | 0.41 | 0.00106 | 3.8 – 8.6 | ||||
| 2019 TD | September 29 @ 18:50 ± 00:13 | 0.34 | 0.00087 | 4.1 – 9.1 | ||||
| 2019 TE | September 28 @ 20:31 ± 01:31 | 0.93 | 0.00238 | 6.8 – 15 | ||||
| 2019 SX8 | September 28 @ 07:49 ± 00:38 | 0.99 | 0.00255 | 4.6 – 10 | ||||
| 2019 SS3 | September 22 @ 22:48 ± 00:21 | 0.73 | 0.00188 | 15 – 34 | ||||
| 2019 SS2 | September 21 @ 07:12 ± 00:02 | 0.30 | 0.00077 | 2 – 4.4 | ||||
| 2019 SD1 | September 21 @ 06:46 ± < 00:01 | 0.73 | 0.00187 | 5.5 – 12 | ||||
| 2019 SU2 | September 21 @ 02:48 ± 00:05 | 0.19 | 0.00048 | 2.7 – 6.1 | ||||
| 2019 SJ | September 16 @ 18:55 ± 00:03 | 0.64 | 0.00163 | 8.6 – 19 | ||||
| 2019 RC1 | September 7 @ 10:48 ± 00:04 | 0.48 | 0.00123 | 4.5 – 10 | ||||
| 2019 RP1 | September 5 @ 22:04 ± < 00:01 | 0.10 | 0.00025 | 7.4 – 17 | ||||
| 2019 RQ | September 2 @ 16:45 ± < 00:01 | 0.29 | 0.00074 | 2.1 – 4.6 | ||||
| 2019 QQ3 | August 26 @ 15:14 ± 00:01 | 0.25 | 0.00064 | 3.7 – 8.2 | ||||
| 2019 QR8 | August 26 @ 08:51 ± 01:08 | 0.80 | 0.00207 | 6.6 – 15 | ||||
| 2019 QD | August 22 @ 01:28 ± < 00:08 | 0.78 | 0.00200 | 4.7 – 11 | ||||
| 2019 QH2 | August 20 @ 18:12 ± 00:08 | 0.13 | 0.00033 | 2.2 – 5 | ||||
| 2019 QB1 | August 20 @ 11:55 ± 00:08 | 0.32 | 0.00082 | 9.3 – 21 | ||||
| 2019 ON3 | July 29 @ 01:19 ± 00:14 | 0.56 | 0.00143 | 7.4 – 16 | ||||
| 2019 OD3 | July 28 @ 02:56 ± < 00:01 | 0.49 | 0.00126 | 11 – 25 | ||||
| 2019 OK | July 25 @ 01:22 ± < 00:04 | 0.19 | 0.00048 | 57 – 130 | ||||
| 2019 OD | July 24 @ 13:31 ± 00:04 | 0.93 | 0.00239 | 54 – 120 | ||||
| 2019 NN3 | July 10 @ 16:29 ± < 00:01 | 0.83 | 0.00214 | 35 – 77 | ||||
| 2019 NF7 | July 9 @ 12:07 ± < 00:01 | 0.98 | 0.00253 | 6.4 – 14 | ||||
| 2019 MB4 | July 9 @ 07:20 ± < 00:01 | 0.82 | 0.00211 | 17 – 38 | ||||
| 2019 NK1 | July 2 @ 09:48 ± 00:05 | 0.69 | 0.00177 | 2.9 – 6.5 | ||||
| 2019 LW4 | June 8 @ 17:04 ± < 00:01 | 0.65 | 0.00166 | 9.3 – 21 | ||||
| 2019 LY4 | June 6 @ 01:30 ± < 00:01 | 0.22 | 0.00056 | 7.3 – 16 | ||||
| 2019 KT | May 28 @ 03:48 ± < 00:01 | 0.85 | 0.00217 | 13 – 29 | ||||
| 2019 JH2 | May 16 @ 00:06 ± < 00:01 | 0.19 | 0.00048 | 3.1 – 7 | ||||
| 2019 JY2 | May 5 @ 17:12 ± < 00:01 | 0.38 | 0.00098 | 3.3 – 7.3 | ||||
| 2019 JX1 | May 2 @ 12:39 ± 00:02 | 0.47 | 0.00120 | 3.8 – 8.6 | ||||
| 2019 JK | April 30 @ 08:12 UTC ± 00:01 | 0.69 | 0.00178 | 7.1 – 16 | ||||
| 2019 HE | April 20 @ 21:12 ± < 00:01 | 0.58 | 0.00149 | 13 – 30 | ||||
| 2019 GC6 | April 18 @ 06:39 ± 00:29 | 0.57 | 0.00147 | 13 – 28 | ||||
| 2019 GN20 | April 12 @ 07:06 ± < 00:01 | 0.98 | 0.00253 | 14 – 31 | ||||
| 2019 FP21 | March 31 @ 19:00 ± 07:46 | 0.93 | 0.00238 | 3 – 6.6 | ||||
| 2019 FV1 | March 31 @ 05:27 ± < 00:01 | 0.87 | 0.00223 | 4.6 – 10 | ||||
| 2019 FC1 | March 28 @ 05:46 ± < 00:01 | 0.27 | 0.00069 | 20 – 45 | ||||
| 2019 FQ | March 23 @ 18:17 UTC ± < 00:01 | 0.86 | 0.00220 | 10 – 23 | ||||
| 2019 EA2 | March 22 @ 01:53 UTC ± 00:02 | 0.80 | 0.00205 | 18 – 40 | ||||
| 2019 FA | March 16 @ 01:14 UTC ± < 00:01 | 0.60 | 0.00154 | 4.9 – 11 | ||||
| 2019 EN2 | March 13 @ 23:38 UTC ± < 00:01 | 0.86 | 0.00221 | 8 – 18 | ||||
| 2019 EH1 | March 1 @ 17:38 UTC ± < 00:01 | 0.06 | 0.00016 | 2.5 – 5.7 | ||||
| 2019 DF | February 26 @ 21:21 UTC ± 00:09 | 0.47 | 0.00120 | 3.0 – 6.7 | ||||
| 2019 DG2 | Febraury 26 @ 07:39 UTC ± 07:39 | 0.61 | 0.00158 | 5.4 – 12 | ||||
| 2019 CN5 | February 11 @ 07:23 UTC ± 00:03 | 0.31 | 0.00079 | 7.3 – 16 | ||||
| 2019 BZ3 | January 27 @ 23:29 ± < 00:01 | 0.13 | 0.00032 | 4.8 – 11 | ||||
| 2019 BV1 | January 24 @ 20:53 ± < 00:01 | 0.35 | 0.00090 | 4.8 – 11 | ||||
| 2019 BO | January 16 @ 01:13 ± 00:02 | 0.18 | 0.00046 | 6.3 – 14 | ||||
| 2019 AE9 | January 12 @ 11:09 ± < 00:01 | 0.26 | 0.00067 | 9.9 – 22 | ||||
| 2019 AS5 | January 8 @ 00:37 ± < 00:01 | 0.04 | 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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