2022 YG

Orbit of 2022 YG
Discovery[1]
Discovered by	G. Borisov
Discovery site	MARGO Obs.
Discovery date	15 December 2022
Designations
MPC designation	2022 YG
Minor planet category	NEO · Apollo
Orbital characteristics[2]
Epoch 17 October 2024 (JD 2460600.5)
Uncertainty parameter 2
Observation arc	364 days
Aphelion	1.200 AU
Perihelion	0.806 AU
Semi-major axis	1.003 AU
Eccentricity	0.1961
Orbital period (sidereal)	1.00 yr (366.90 days)
Mean anomaly	219.667°
Mean motion	0° 58m 52.3s / day
Inclination	2.364°
Longitude of ascending node	273.973°
Argument of perihelion	271.173°
Earth MOID	0.003133 AU (468,700 km; 1.219 LD)
Physical characteristics
Absolute magnitude (H)	26.70[2]

2022 YG is a near-Earth asteroid and a potential quasi-satellite of Earth, discovered by amateur astronomer Gennadiy Borisov at Nauchnyi, Crimea on 15 December 2022. It has an estimated diameter of 16–30 meters, given H of 26.7, and an albedo 4-15%.^[a] Its closest approach to Earth was on 22 December 2022, at a distance of 0.0163 AU.^[2]

• New Quasi-satellite 2022 YG – Animation of 2022 YG's orbit in a rotating reference frame with respect to Earth from 1900–2207, YouTube, 17 December 2022
• 2022 YG at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters
• 2022 YG at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical properties · Summary
• 2022 YG at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation