2022 BX1 is a potentially hazardous asteroid around 200 meters in diameter that was discovered on 25 January 2022 when it was 0.36 AU (54 million km) from Earth.[1] On 29 January 2022 with an observation arc of 22 days it was rated with a Torino scale of 1 for a virtual impactor on 11 July 2061 21:22 UTC.[3] The 2061 virtual impactor was ruled out on 9 February 2022 with a 32.9 day observation arc. Nominal approach is expected to occur 18 June 2061.[5]
| Discovery[1] | |
|---|---|
| Discovered by | Mount Lemmon Survey |
| Discovery date | 25 January 2022 |
| Designations | |
| 2022 BX1 | |
| Orbital characteristics[2] | |
| Epoch 2022-Jan-21 (JD 2459600.5) | |
| Uncertainty parameter 6 | |
| Observation arc | 31 days |
| Aphelion | 2.157 AU (Q) |
| Perihelion | 0.8697 AU (q) |
| 1.513 AU (a) | |
| Eccentricity | 0.4253 (e) |
| 1.86 years | |
| 310° (M) | |
| Inclination | 2.957° (i) |
| 290.0° (Ω) | |
| 25 April 2022 | |
| 300.2° (ω) | |
| Earth MOID | 0.001 AU (150 thousand km; 0.39 LD) |
| Jupiter MOID | 2.8 AU (420 million km) |
| Physical characteristics | |
| Dimensions |
|
| 21.7[4] | |
| Observation arc (in days) | JPL Horizons nominal geocentric distance (AU) | uncertainty region (3-sigma) | Impact probability (1 in) | Torino scale |
|---|---|---|---|---|
| 19.9 | n/a | n/a | 47000[6] | 0[6] |
| 22.0 | 0.09 AU (13 million km)[7] | ± 62 million km[7] | 7700[8] | 1[8] |
| 23.9 | 0.17 AU (25 million km)[9] | ± 61 million km[9] | 22000 | 0 |
| 24.1 | 0.27 AU (40 million km)[10] | ± 61 million km[10] | 77000 | 0 |
| 26.5 | 0.20 AU (30 million km)[11] | ± 37 million km[11] | 480000 | 0 |
| 29.0 | 0.15 AU (22 million km)[12] | ± 29 million km[12] | 1.7 million | 0 |
| 31.0 | 0.15 AU (22 million km)[13] | ± 27 million km[13] | 5.3 million | 0 |
| 32.9 | 0.16 AU (24 million km)[14] | ± 22 million km[14] | 0[3] | 0[3] |
| 36.8 | 0.15 AU (22 million km)[15] | ± 14 million km[15] | ||
| 44.8 | 0.16 AU (24 million km)[16] | ± 8.6 million km[16] | ||
| 53.5 | 0.14 AU (21 million km)[17] | ± 5.8 million km[17] |
Closest approach to Earth in 2022 occurred on 13 March 2022 at a distance of about 7.7 million km.[2] It will come to perihelion (closest approach to the Sun) on 25 April 2022.
References
External links
- FindOrb 2022 BX1
- 2022 BX1 at NeoDyS-2, Near Earth Objects—Dynamic Site
- 2022 BX1 at ESA–space situational awareness
- 2022 BX1 at the JPL Small-Body Database
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