2022 YO1 explained

Minorplanet:yes
Background:
  1. FFC2E0
Discoverer:Catalina Sky Survey
Discovered:17 December 2022
Epoch:2023-Feb-25 (JD 2460000.5)
Uncertainty:6
Observation Arc:0.4 days
Moid:0.00034AU
Jupiter Moid:2.7AU
Aphelion: (Q)
Perihelion: (q)
Time Periastron:2023-Jan-30
Semimajor: (a)
Eccentricity: (e)
Inclination: (i)
Asc Node: (Ω)
Mean Anomaly: (M)
Arg Peri: (ω)
Abs Magnitude:30

is a small and harmless near-Earth object that will pass within 0.014abbr=unitNaNabbr=unit 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 . It has a very short observation arc of 0.4 days and was first imaged on 17 December 2022 07:07 when it was 0.004AU from Earth.

At the time of the virtual impactor (17 December 2024 06:14) the asteroid is expected to be 0.0055AU from Earth but has an uncertainty region of ±1.5sigfig=1NaNsigfig=1. The nominal approach to Earth is expected to occur about nine hours later at 17 December 2024 15:41 at a distance of 0.005AU.

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 06:14 0.23% 0.0055abbr=unitNaNabbr=unit 0.0051AU 0.0056AU
Line of variation (LOV) and different closest approaches! Date and time! Nominal closest approach! Reference
17 December 2024 06:14 Impact scenario Sentry
17 December 2024 14:15 0.0043AU ESA
17 December 2024 15:41 0.0051AU JPL SBDB

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