Near-Earth asteroid

612856 (2004 TP1)

612856 (2004 TP1) is a near-Earth asteroid with an estimated diameter of 188–421 m (617–1,381 ft). It passes Earth on November 1, 2026 at about 9,300,212 km (24.2 lunar distances). NASA classifies it as potentially hazardous.

Potentially hazardous

188–421 m

Estimated diameter

20.75

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

This week’s flyby

Closest approach: 2026-Nov-01 02:13 UTC
Miss distance: 9,300,212 km · 24.18 lunar distances · 0.06217 au
Relative speed: 12.67 km/s (28,345 mph)

Upcoming close approaches to Earth

17 approaches within 0.2 au (about 30 million km) are calculated from now to 2200. The closest in the 1900–2200 record is on November 2, 2004 at about 4,817,051 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2026-Nov-01 02:13	9,300,500	24.2	12.67	< 00:01
2043-Apr-07 05:01	5,376,547	14.0	11.4	< 00:01
2048-Oct-30 11:08	12,789,122	33.3	13.39	< 00:01
2065-Apr-07 22:08	6,450,660	16.8	11.85	< 00:01
2070-Nov-03 02:28	6,630,178	17.2	12	< 00:01
2087-Apr-12 17:10	15,145,288	39.4	13.8	< 00:01
2092-Nov-06 05:30	5,521,657	14.4	10.52	< 00:01
2112-Mar-26 10:35	18,007,096	46.8	7.92	< 00:01
2114-Dec-14 18:51	28,223,134	73.4	7.98	< 00:01
2117-Oct-26 10:20	29,479,756	76.7	16.66	< 00:01
2134-Apr-08 15:17	4,905,314	12.8	11.37	< 00:01
2139-Nov-05 04:52	6,432,708	16.7	11.89	< 00:01
2156-Apr-17 15:51	26,293,322	68.4	16	< 00:01
2159-Feb-23 01:59	29,740,057	77.4	8.25	00:03
2161-Nov-14 14:15	14,596,264	38.0	8.53	00:01
2181-Apr-02 07:56	11,492,108	29.9	9.11	< 00:01
2186-Oct-29 01:02	24,167,536	62.9	15.62	< 00:01

Recent past approaches

Past Earth approaches within 0.2 au since 1900 (JPL), most recent 11
Date (TDB)	Distance km	Lunar dist.	Speed km/s
2021-Apr-08 10:53	8,290,714	21.6	12.29
2004-Nov-02 17:07	4,817,051	12.5	11.56
1999-Apr-10 01:21	11,605,803	30.2	13
1982-Oct-30 21:04	10,869,781	28.3	13.01
1977-Apr-05 17:27	5,606,928	14.6	11.33
1960-Oct-25 22:33	21,811,370	56.7	15.19
1955-Apr-01 03:10	10,145,728	26.4	9.49
1935-Nov-18 08:30	19,275,686	50.1	7.76
1933-Mar-01 23:04	27,184,925	70.7	7.65
1913-Nov-06 04:08	6,926,381	18.0	10
1908-Apr-13 01:01	22,993,193	59.8	15.32

← 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: 612856 (2004 TP1)

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