Near-Earth asteroid
2101 Adonis (1936 CA)
2101 Adonis (1936 CA) is a near-Earth asteroid with an estimated diameter of 0.5–1.1 km (0.3–0.7 mi), in the APO orbit class. Its next listed approach within 0.2 au is on February 7, 2036. NASA classifies it as potentially hazardous.
Potentially hazardous
0.5–1.1 km
Estimated diameter
18.69
Absolute magnitude (H)
16
Approaches within 0.2 au, 1900–2200
Advertisement
Upcoming close approaches to Earth
10 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 7, 1936 at about 2,217,040 km.
| Date (TDB) | Nominal distance km | Lunar dist. | Speed km/s | Time uncertainty |
|---|---|---|---|---|
| 2036-Feb-07 06:08 | 5,340,644 | 13.9 | 23.77 | < 00:01 |
| 2043-Jul-16 04:34 | 22,322,994 | 58.1 | 20.41 | < 00:01 |
| 2061-Jul-01 20:15 | 18,584,543 | 48.3 | 28.39 | < 00:01 |
| 2077-Feb-16 22:22 | 26,335,209 | 68.5 | 30.12 | < 00:01 |
| 2095-Feb-01 11:43 | 22,972,249 | 59.8 | 20.17 | < 00:01 |
| 2102-Jul-10 00:04 | 2,920,150 | 7.60 | 24.58 | < 00:01 |
| 2136-Feb-03 22:25 | 20,684,898 | 53.8 | 20.64 | 00:02 |
| 2143-Jul-10 22:37 | 3,318,081 | 8.63 | 24.36 | 00:01 |
| 2177-Feb-09 05:20 | 3,364,456 | 8.75 | 24.1 | < 00:01 |
| 2184-Jul-14 03:45 | 13,499,712 | 35.1 | 22.2 | 00:02 |
Orbit
- Orbit class
- APO — Near-Earth asteroid orbits which cross the Earth’s orbit similar to that of 1862 Apollo
- Orbital period
- 936.9 days (2.57 years)
- Minimum orbit intersection distance
- 0.0115 au (1,720,376 km)
- Observed
- February 21, 1936 to July 19, 2025
Advertisement
Recent past approaches
| Date (TDB) | Distance km | Lunar dist. | Speed km/s |
|---|---|---|---|
| 2002-Jun-29 17:50 | 24,086,753 | 62.7 | 29.51 |
| 1984-Jul-09 00:28 | 6,691,513 | 17.4 | 23.6 |
| 1977-Jan-31 04:36 | 21,675,235 | 56.4 | 20.42 |
| 1943-Jul-10 23:02 | 11,565,411 | 30.1 | 22.61 |
| 1936-Feb-07 16:24 | 2,217,040 | 5.77 | 24.63 |
| 1902-Jul-16 12:39 | 28,140,855 | 73.2 | 19.33 |
← 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: 2101 Adonis (1936 CA)
Distances are nominal predictions and can change with new observations. OpenOrbit is not affiliated with or endorsed by NASA or JPL.