 Orbit before impact | |
| Discovery[1][2] | |
|---|---|
| Discovered by | David Rankin (Mt. Lemmon Srvy) |
| Discovery site | Mt. Lemmon Obs. |
| Discovery date | 19 November 2022 |
| Designations | |
| 2022 WJ1 | |
| C8FF042[3][4] | |
| NEO · Apollo[1] | |
| Orbital characteristics[5] | |
| Epoch 9 August 2022 (JD 2459800.5) | |
| Uncertainty parameter 6 | |
| Observation arc | 3.04 hours[1] |
| Aphelion | 2.817 AU |
| Perihelion | 0.928 AU |
| 1.872 AU | |
| Eccentricity | 0.5043 |
| 2.56 yr (935.9 days) | |
| 310.198° | |
| 0° 23m 4.778s / day | |
| Inclination | 2.582° |
| 56.748° | |
| May 2020 (last perihelion)[6] 16 December 2022 (would have been)[5] | |
| 35.034° | |
| Earth MOID | 0.000256 AU (38,300 km; 0.100 LD)[a] |
| Jupiter MOID | 2.418 AU |
| Physical characteristics | |
| <1 m[b] | |
| ≈31 @ 0.2 AU[7] ≈15 (before entering Earth's shadow)[1] | |
| 33.554±0.363[5] | |
2022 WJ1, formerly designated C8FF042, was a small, harmless ≈1-metre near-Earth asteroid or meteoroid that impacted Earth's atmosphere on 19 November 2022 at 08:27 UT in Southern Ontario, Canada, above the Golden Horseshoe region, southwest of Toronto.[4][8][9] Meteorites were detected by weather radar during dark flight.
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