Near-Earth asteroid

1685 Toro (1948 OA)

1685 Toro (1948 OA) is a near-Earth asteroid with an estimated diameter of 3.7–8.4 km (2.3–5.2 mi), in the APO orbit class. Its next listed approach within 0.2 au is on January 20, 2032. NASA does not classify it as potentially hazardous.

Not potentially hazardous

3.7–8.4 km

Estimated diameter

14.26

Absolute magnitude (H)

Approaches within 0.2 au, 1900–2200

Upcoming close approaches to Earth

16 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 18, 2152 at about 11,073,234 km.

Future Earth approaches (JPL Close Approach Data)
Date (TDB)	Nominal distance km	Lunar dist.	Speed km/s	Time uncertainty
2032-Jan-20 14:44	19,269,702	50.1	16.03	< 00:01
2040-Jan-21 07:02	20,696,865	53.8	16.33	< 00:01
2048-Jan-23 02:54	24,736,008	64.3	17.16	< 00:01
2076-Aug-05 03:07	28,396,668	73.9	16.5	< 00:01
2084-Aug-06 10:11	25,902,871	67.4	15.82	< 00:01
2092-Aug-06 19:22	25,307,472	65.8	15.65	< 00:01
2100-Aug-07 07:27	26,363,633	68.6	15.95	< 00:01
2108-Aug-06 00:25	29,578,491	76.9	16.77	< 00:01
2128-Jan-25 11:42	26,405,520	68.7	17.42	< 00:01
2136-Jan-22 07:01	18,825,396	49.0	15.86	< 00:01
2144-Jan-19 14:30	13,510,184	35.1	14.69	< 00:01
2152-Jan-18 00:59	11,073,234	28.8	14.07	< 00:01
2160-Jan-18 06:26	11,279,679	29.3	14.13	< 00:01
2168-Jan-20 08:06	14,557,369	37.9	14.92	< 00:01
2176-Jan-23 02:22	20,002,731	52.0	16.1	< 00:01
2184-Jan-26 00:00	26,415,992	68.7	17.42	< 00:01

Orbit

Orbit class: APO — Near-Earth asteroid orbits which cross the Earth’s orbit similar to that of 1862 Apollo
Orbital period: 584.3 days (1.60 years)
Minimum orbit intersection distance: 0.05094 au (7,620,516 km)
Observed: July 17, 1948 to October 5, 2026

Recent past approaches

Past Earth approaches within 0.2 au since 1900 (JPL), most recent 14
Date (TDB)	Distance km	Lunar dist.	Speed km/s
2024-Jan-20 20:46	19,905,493	51.8	16.17
2016-Jan-22 07:07	23,419,547	60.9	16.89
2008-Jan-24 16:04	29,372,046	76.4	18.09
1988-Aug-04 11:41	27,312,083	71.1	16.32
1980-Aug-06 12:33	23,018,624	59.9	15.12
1972-Aug-08 07:30	20,270,511	52.7	14.11
1964-Aug-09 09:15	19,010,897	49.5	13.48
1956-Aug-09 20:36	18,606,983	48.4	13.2
1948-Aug-10 00:22	18,497,777	48.1	13.1
1940-Aug-09 13:03	18,647,375	48.5	13.28
1932-Aug-08 15:40	19,317,573	50.3	13.72
1924-Aug-07 09:59	20,696,865	53.8	14.35
1916-Aug-05 18:54	23,097,911	60.1	15.19
1908-Aug-04 01:10	26,483,311	68.9	16.14

← 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: 1685 Toro (1948 OA)

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