2022 WM₇

2022 WM₇
	The orbit of 2022 WM7 extends from Jupiter's orbit to within Earth's orbit.
Discovery[1][2]
Discovered by	Pan-STARRS 1
Discovery site	Haleakalā Obs.
Discovery date	26 November 2022
Designations
MPC designation	2022 WM7
Alternative designations	P11Cgve[3]
Minor planet category	NEO · Apollo[1]
Orbital characteristics[4]
	Epoch 25 February 2023 (JD 2460000.5)
	Uncertainty parameter 6
Observation arc	1 day[1]
Aphelion	2.817 AU
Perihelion	0.909 AU
Semi-major axis	2.454 AU
Eccentricity	0.6295
Orbital period (sidereal)	2.56 yr (935.9 days)
Mean anomaly	310.198°
Mean motion	0° 15m 23.027s / day
Inclination	0.895°
Longitude of ascending node	66.193°
Time of perihelion	December 2022[4]
Argument of perihelion	36.419°
Earth MOID	0.000253 AU (37,800 km; 0.098 LD)
Jupiter MOID	1.197 AU
Physical characteristics
Mean diameter	3–6 m (assumed albedo 0.05–0.25)[5]
Absolute magnitude (H)	29.854±0.299[4]

2022 WM₇ is a small near-Earth asteroid that passed about 0.2 lunar distances (77,000 km; 48,000 mi) from Earth's center on 28 November 2022 at 02:24 UTC. It was discovered by the Pan-STARRS 1 survey telescope at Haleakalā Observatory, Hawaii on 26 November 2022.[2]

References

"2022 WM7". Minor Planet Center. Retrieved 29 November 2022.
"MPEC 2022-W227 : 2022 WM7". Minor Planet Electronic Circular. Minor Planet Center. 27 November 2022. Retrieved 29 November 2022.
"2022 WM7". NEO Exchange. Las Cumbres Observatory. 27 November 2022. Retrieved 29 November 2022.
"JPL Small-Body Database Browser: (2022 WM7)" (2022-11-27 last obs.). Jet Propulsion Laboratory. Retrieved 29 November 2022.
Bruton, Dan. "Conversion of Absolute Magnitude to Diameter for Minor Planets". Department of Physics, Engineering, and Astronomy. Stephen F. Austin State University. Retrieved 29 November 2022.

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