2022 YO1

2022 YO1 is a small and harmless near-Earth object that will pass within 0.014 AU (2.1 million km) of Earth around 17 December 2024. At 17 December 2024 06:14 UT it has a 0.23% (1-in-430) chance of impacting Earth. It is estimated to be 3-meters in diameter which would make an impact comparable to 2008 TC3. It has a very short observation arc of 0.4 days and was first imaged on 17 December 2022 07:07 when it was 0.004 AU (600 thousand km) from Earth.

2022 YO1
Discovery
Discovered byCatalina Sky Survey
Discovery date17 December 2022
Designations
MPC designation
2022 YO1
Minor planet category
Orbital characteristics
Epoch 2023-Feb-25 (JD 2460000.5)
Uncertainty parameter 6
Observation arc0.4 days
Aphelion2.38 AU (Q)
Perihelion0.8009 AU (q)
Semi-major axis
1.588 AU (a)
Eccentricity0.4957 (e)
Orbital period (sidereal)
2.001 years
Mean anomaly
12.42° (M)
Inclination13.62° (i)
Longitude of ascending node
85.50° (Ω)
2023-Jan-30
63.99° (ω)
Earth MOID0.00034 AU (51,000 km)
Jupiter MOID2.7 AU (400,000,000 km)
Physical characteristics
Dimensions
  • ~3 m (10 ft)
  • 3–6 meters (CNEOS)
30

    At the time of the virtual impactor (17 December 2024 06:14) the asteroid is expected to be 0.0055 AU (820 thousand km) from Earth but has an uncertainty region of ±1.5 million km (0.01 AU). The nominal approach to Earth is expected to occur about nine hours later at 17 December 2024 15:41 at a distance of 0.005 AU (750 thousand km).

    2024-Dec-17 06:14 Virtual Impactor
    Date Impact
    probability    		 JPL Horizons
    nominal geocentric
    distance (AU)    		 NEODyS
    nominal geocentric
    distance (AU)    		 MPC
    nominal geocentric
    distance (AU)    		 uncertainty
    region
    (3-sigma)
    2024-12-17 06:140.23%0.0055 AU (820 thousand km)0.0051 AU (760 thousand km)0.0056 AU (840 thousand km)± 1.5 million km
    Line of variation (LOV) and different closest approaches
    Date and time Nominal closest approach Reference
    17 December 2024 06:14Impact scenarioSentry
    17 December 2024 14:150.0043 AU (640 thousand km)ESA
    17 December 2024 15:410.0051 AU (760 thousand km)JPL SBDB

    It will come to perihelion (closest approach to the Sun) on 30 January 2023.

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