Asteroid General Data

2021 OJ

General information

Preliminary designation	2021 OJ
Group	Aten
Absolute magnitude	22.47
Approximate diameter (m)	85
Approximate mass (kg)	1.13·10⁹
Number of observations	32
Arc length (days)	2895

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	354.922281
a – orbit major semiaxis (astronomical units)	0.86458500
e – orbit eccentricity	0.39831800
ω – orbit ascending node-perihelion angle (degrees)	167.027514
Ω – longitude of orbit ascending node (degrees)	303.888473
i – orbit inclination to the ecliptic plane (degrees)	42.807387

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	41.370474	0.86462634	0.39908174	166.648730	304.259217	42.790584	0.51956976	0.803976
01/21/1858	76.191150	0.86456195	0.39899664	166.719630	304.203909	42.793686	0.51960464	0.803887
01/29/1887	111.214542	0.86460729	0.39878681	166.768151	304.151768	42.797523	0.51981331	0.803950
02/07/1916	146.564466	0.86461966	0.39866012	166.818116	304.096299	42.800137	0.51993028	0.803967
02/14/1945	181.482957	0.86459839	0.39863960	166.877889	304.042633	42.802662	0.51993524	0.803937
02/22/1974	216.321932	0.86461347	0.39846231	166.942221	303.988679	42.808695	0.52009759	0.803958
03/02/2003	251.637409	0.86464057	0.39831927	166.983858	303.933301	42.810736	0.52023757	0.803996
03/09/2032	286.792329	0.86460666	0.39827185	167.031954	303.877806	42.813250	0.52025817	0.803949
03/17/2061	321.541937	0.86456223	0.39816473	167.096908	303.823423	42.815701	0.52032404	0.803887
03/25/2090	356.681139	0.86462408	0.39794585	167.135398	303.770265	42.817397	0.52055052	0.803973
04/03/2119	31.948335	0.86463036	0.39783331	167.185403	303.714825	42.818450	0.52065160	0.803982
04/10/2148	66.918591	0.86459336	0.39775942	167.250058	303.662399	42.819679	0.52069321	0.803930
04/18/2177	101.708924	0.86462527	0.39754426	167.309046	303.608225	42.824335	0.52089845	0.803975

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