Near-Earth asteroid

2018 BB5

2018 BB5 is a near-Earth asteroid with an estimated diameter of 35–78 m (115–256 ft). It passes Earth on October 30, 2026 at about 24,769,188 km (64.4 lunar distances). NASA does not classify it as potentially hazardous.

Not potentially hazardous

35–78 m

Estimated diameter

24.4

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

This week’s flyby

Closest approach: 2026-Oct-30 12:22 UTC
Miss distance: 24,769,188 km · 64.41 lunar distances · 0.16557 au
Relative speed: 21.9 km/s (48,979 mph)

Upcoming close approaches to Earth

11 approaches within 0.2 au (about 30 million km) are calculated from now to 2200. The closest in the 1900–2200 record is on February 4, 2004 at about 4,266,531 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2026-Oct-30 12:22	24,768,919	64.4	21.9	2_22:29
2033-Jan-31 23:32	19,084,200	49.6	23.1	6_06:47
2041-Oct-24 14:39	26,413,000	68.7	15.79	2_03:53
2047-Feb-06 22:53	9,776,221	25.4	17.39	2_00:14
2055-Oct-31 11:08	26,122,780	68.0	22.4	01:29
2062-Feb-02 11:24	14,656,103	38.1	22.16	2_15:33
2070-Oct-25 10:25	24,243,831	63.1	16.46	2_02:30
2076-Feb-07 12:58	11,412,822	29.7	17.08	2_11:53
2084-Oct-30 18:28	25,846,024	67.2	22.31	5_20:13
2091-Feb-03 13:23	11,698,553	30.4	21.52	1_14:16
2099-Oct-27 03:37	20,925,750	54.4	18.19	2_16:14

Recent past approaches

Past Earth approaches within 0.2 au since 1900 (JPL), most recent 15
Date (TDB)	Distance km	Lunar dist.	Speed km/s
2018-Feb-06 21:18	13,381,530	34.8	16.72
2012-Oct-25 02:57	22,596,758	58.8	17.15
2004-Feb-04 22:48	4,266,531	11.1	19.89
1990-Jan-30 15:14	24,411,381	63.5	24.23
1983-Oct-29 17:08	23,177,198	60.3	21.25
1975-Feb-06 20:35	13,098,790	34.1	16.76
1969-Oct-25 03:19	22,206,308	57.8	17.33
1961-Feb-03 07:13	7,017,636	18.3	20.55
1946-Feb-06 16:20	19,054,281	49.6	15.69
1940-Oct-24 22:42	21,492,726	55.9	17.72
1932-Feb-03 04:58	10,060,457	26.2	21.21
1925-Oct-31 03:52	28,852,941	75.1	23.26
1917-Feb-06 03:19	14,418,243	37.5	16.5
1911-Oct-24 08:52	24,758,448	64.4	16.3
1903-Jan-31 09:17	20,237,600	52.6	23.35

← All asteroids passing Earth this week

Sources

Size, hazard status and this week’s approach — NASA NeoWs (copy taken Oct 28, 2026, 2:39 AM EDT)
Close-approach list — JPL SBDB Close Approach Data API (copy taken Oct 28, 2026, 2:39 AM EDT)
Full orbit details — JPL Small-Body Database: 2018 BB5

Distances are nominal predictions and can change with new observations. OpenOrbit is not affiliated with or endorsed by NASA or JPL.