Asteroid General Data

2021 OP

General information

Preliminary designation	2021 OP
Group	Apollo
Absolute magnitude	24.45
Approximate diameter (m)	34
Approximate mass (kg)	7.34·10⁷
Number of observations	55
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	1.518544
a – orbit major semiaxis (astronomical units)	1.15400600
e – orbit eccentricity	0.22162700
ω – orbit ascending node-perihelion angle (degrees)	81.961055
Ω – longitude of orbit ascending node (degrees)	296.953895
i – orbit inclination to the ecliptic plane (degrees)	45.837056

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	193.249089	1.15376231	0.22079789	82.234332	297.442016	45.850026	0.89901403	1.239296
01/21/1858	342.334171	1.15383440	0.22096108	82.206526	297.371073	45.848291	0.89888190	1.239412
01/29/1887	130.931897	1.15394237	0.22109633	82.138891	297.300047	45.844435	0.89880994	1.239586
02/07/1916	278.591149	1.15386141	0.22117733	82.106116	297.227447	45.844038	0.89865343	1.239456
02/14/1945	66.764084	1.15382278	0.22130553	82.080854	297.158696	45.842710	0.89847542	1.239394
02/22/1974	215.892717	1.15383646	0.22137274	82.046394	297.083411	45.842478	0.89840852	1.239416
03/02/2003	4.368322	1.15389323	0.22137713	81.990707	297.012729	45.840847	0.89844767	1.239507
03/09/2032	151.752312	1.15390145	0.22162606	81.952752	296.939256	45.837675	0.89816682	1.239520
03/17/2061	299.844665	1.15383784	0.22168035	81.948746	296.865431	45.836648	0.89805467	1.239418
03/25/2090	89.061319	1.15381209	0.22174848	81.936879	296.793362	45.833947	0.89795602	1.239376
04/03/2119	237.488596	1.15399058	0.22186645	81.847739	296.721402	45.829865	0.89795879	1.239664
04/10/2148	24.894281	1.15395104	0.22212999	81.819103	296.650284	45.826508	0.89762390	1.239600
04/18/2177	172.887781	1.15383806	0.22215379	81.830783	296.579586	45.825765	0.89750857	1.239418

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