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] | |
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]
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.
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] | |
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]
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.