Near-Earth asteroid

2006 AM4

2006 AM4 is a near-Earth asteroid with an estimated diameter of 112–250 m (367–820 ft). It passes Earth on October 31, 2026 at about 19,012,986 km (49.5 lunar distances). NASA classifies it as potentially hazardous.

Potentially hazardous

112–250 m

Estimated diameter

21.88

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

This week’s flyby

Closest approach: 2026-Oct-31 11:31 UTC
Miss distance: 19,012,986 km · 49.44 lunar distances · 0.12709 au
Relative speed: 24.34 km/s (54,440 mph)

Upcoming close approaches to Earth

23 approaches within 0.2 au (about 30 million km) are calculated from now to 2200. The closest in the 1900–2200 record is on January 31, 1970 at about 1,605,185 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2026-Oct-31 11:31	19,012,393	49.5	24.34	< 00:01
2027-Oct-26 20:48	12,703,851	33.0	19.75	< 00:01
2043-Feb-03 16:45	11,779,336	30.6	18.85	< 00:01
2044-Jan-30 08:00	12,460,007	32.4	23.67	00:02
2062-Nov-01 05:44	20,607,107	53.6	24.74	00:04
2063-Oct-27 05:18	12,563,229	32.7	19.82	00:03
2078-Feb-04 11:17	27,307,595	71.0	16.16	< 00:01
2079-Feb-02 16:03	3,944,896	10.3	20.43	00:01
2080-Jan-28 17:41	20,022,179	52.1	25.26	< 00:01
2098-Nov-01 11:55	20,873,391	54.3	24.81	00:12
2099-Oct-27 12:24	12,237,106	31.8	19.94	00:09
2114-Feb-05 12:49	28,959,156	75.3	15.92	00:05
2115-Feb-04 06:11	5,955,491	15.5	19.99	00:09
2116-Jan-30 12:24	17,731,836	46.1	24.77	00:12
2135-Nov-03 17:23	23,820,469	62.0	25.52	00:26
2136-Oct-28 20:03	10,839,862	28.2	20.96	00:21
2137-Oct-26 04:53	25,115,987	65.3	16.82	00:03
2153-Feb-05 06:26	14,386,827	37.4	18.34	00:18
2154-Feb-01 14:53	7,988,526	20.8	22.71	00:36
2174-Nov-01 07:56	15,721,240	40.9	23.46	00:25
2175-Oct-28 01:33	15,549,203	40.5	18.9	00:16
2191-Feb-05 16:43	12,397,176	32.3	18.72	00:25
2192-Feb-01 14:40	11,052,291	28.8	23.35	00:48

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
2008-Jan-26 22:05	25,104,019	65.3	26.37
2007-Feb-01 07:05	2,003,115	5.21	21.35
2006-Feb-04 01:17	21,820,345	56.8	17.01
1991-Oct-24 18:49	24,855,686	64.7	16.85
1990-Oct-27 16:29	10,800,966	28.1	21.22
1989-Nov-01 21:53	25,880,432	67.3	26.02
1971-Jan-26 19:05	23,664,887	61.6	26.06
1970-Jan-31 22:54	1,605,185	4.18	21.22
1969-Feb-03 14:38	22,314,018	58.0	16.92
1954-Oct-24 06:43	29,354,094	76.4	16.08
1953-Oct-26 01:10	11,976,806	31.2	20.1
1952-Oct-30 19:03	20,635,530	53.7	24.73
1933-Jan-27 06:37	18,925,627	49.2	25.04
1932-Feb-02 00:49	4,130,397	10.7	20.36
1931-Feb-03 19:23	27,045,799	70.4	16.18

← 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: 2006 AM4

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