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2022 BX1

2022 BX1
Discovery[1]
Discovered byMount Lemmon Survey
Discovery date25 January 2022
Designations
2022 BX1
Orbital characteristics[2]
Epoch 2022-Jan-21 (JD 2459600.5)
Uncertainty parameter 6
Observation arc31 days
Aphelion2.157 AU (Q)
Perihelion0.8697 AU (q)
1.513 AU (a)
Eccentricity0.4253 (e)
1.86 years
310° (M)
Inclination2.957° (i)
290.0° (Ω)
25 April 2022
300.2° (ω)
Earth MOID0.001 AU (150 thousand km; 0.39 LD)
Jupiter MOID2.8 AU (420 million km)
Physical characteristics
Dimensions
  • ~150 m (500 ft)[3]
  • 120–270 meters
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]

2022 BX1 nominal approach for 11 July 2061 virtual impactor
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.

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