Near-Earth asteroid

2340 Hathor (1976 UA)

2340 Hathor (1976 UA) is a near-Earth asteroid with an estimated diameter of 220–492 m (722–1,614 ft), in the ATE orbit class. Its next listed approach within 0.2 au is on January 13, 2033. NASA classifies it as potentially hazardous.

Potentially hazardous

220–492 m

Estimated diameter

20.41

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

Upcoming close approaches to Earth

24 approaches within 0.2 au (about 30 million km) are calculated from now to 2200. The closest in the 1900–2200 record is on October 22, 2168 at about 791,373 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2033-Jan-13 13:47	29,876,191	77.7	18.51	< 00:01
2038-Oct-23 08:52	17,000,302	44.2	16.74	< 00:01
2045-Oct-21 08:11	3,618,772	9.41	12.59	< 00:01
2050-Jan-13 12:58	21,561,541	56.1	10.29	< 00:01
2052-Nov-02 13:41	25,385,263	66.0	9.99	< 00:01
2057-Jan-16 13:46	17,998,120	46.8	15.07	< 00:01
2062-Oct-25 12:11	27,078,711	70.4	18.89	< 00:01
2069-Oct-21 08:26	981,362	2.55	13.2	< 00:01
2074-Jan-15 15:26	18,976,490	49.4	10.88	00:03
2086-Oct-21 16:07	824,284	2.14	13.29	< 00:01
2091-Jan-15 17:50	19,684,088	51.2	10.78	04:24
2103-Oct-23 04:09	4,401,169	11.4	14.12	03:20
2108-Jan-11 06:32	25,277,552	65.8	9.91	13:27
2110-Nov-01 02:55	22,713,445	59.1	10.04	05:29
2115-Jan-18 09:25	18,286,844	47.6	14.92	06:36
2120-Oct-25 15:30	24,320,126	63.3	18.32	17:30
2127-Oct-23 12:29	6,640,649	17.3	12.01	18:34
2132-Jan-18 16:34	17,585,230	45.7	11.46	1_00:53
2144-Oct-22 14:53	4,244,092	11.0	14.09	03:31
2149-Jan-10 06:31	25,696,426	66.8	9.88	08:19
2151-Oct-31 09:41	21,649,804	56.3	10.08	1_19:37
2156-Jan-19 08:39	16,879,128	43.9	14.22	15:49
2168-Oct-22 13:24	791,373	2.06	13.39	06:00
2175-Oct-23 07:42	2,550,644	6.64	12.8	09:58

Orbit

Orbit class: ATE — Near-Earth asteroid orbits similar to that of 2062 Aten
Orbital period: 283.1 days (0.78 years)
Minimum orbit intersection distance: 0.0064 au (957,426 km)
Observed: October 25, 1976 to December 5, 2021

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
2026-Jan-17 11:24	15,619,514	40.6	13.91
2021-Nov-01 01:59	24,028,410	62.5	10.01
2019-Jan-13 18:02	21,548,077	56.1	10.28
2014-Oct-21 21:29	7,218,097	18.8	11.91
2007-Oct-22 05:43	8,972,880	23.3	15.07
2000-Oct-25 05:58	29,466,293	76.7	19.42
1995-Jan-16 06:35	20,535,300	53.4	15.96
1988-Jan-17 17:23	15,836,431	41.2	11.97
1983-Oct-26 02:06	17,348,865	45.1	10.41
1981-Jan-06 12:00	26,629,917	69.3	9.85
1976-Oct-20 16:54	1,159,383	3.02	13.32
1969-Oct-24 06:37	24,543,027	63.8	18.35
1964-Jan-16 02:33	20,758,201	54.0	16.1
1959-Nov-07 12:40	28,486,427	74.1	10.03
1957-Jan-15 10:13	17,966,704	46.7	11.02

← 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: 2340 Hathor (1976 UA)

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