Asteroid General Data

2021 OH

General information

Preliminary designation	2021 OH
Group	Apollo
Absolute magnitude	26.71
Approximate diameter (m)	12
Approximate mass (kg)	3.24·10⁶
Number of observations	17
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	235.425874
a – orbit major semiaxis (astronomical units)	1.28196300
e – orbit eccentricity	0.27358700
ω – orbit ascending node-perihelion angle (degrees)	125.534884
Ω – longitude of orbit ascending node (degrees)	112.065095
i – orbit inclination to the ecliptic plane (degrees)	10.037785

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	286.366563	1.27539628	0.27352140	122.318521	113.501937	9.817815	0.92654811	1.440351
01/21/1858	338.260083	1.27538927	0.27357473	122.562445	113.293982	9.822137	0.92647500	1.440339
01/29/1887	32.014994	1.27551595	0.27351241	122.857042	113.112667	9.824655	0.92664651	1.440554
02/07/1916	92.344112	1.27533858	0.27334126	123.059596	112.905645	9.833187	0.92673593	1.440253
02/14/1945	148.965299	1.27473642	0.27308223	123.316513	112.706010	9.840850	0.92662855	1.439233
02/22/1974	163.678558	1.28284670	0.27578571	124.541232	112.497600	9.848364	0.92905591	1.452990
03/02/2003	158.214160	1.28211025	0.27548771	124.732331	112.278215	9.857354	0.92890463	1.451739
03/09/2032	153.456429	1.28195632	0.27365666	125.556001	112.044213	10.038132	0.93114043	1.451478
03/17/2061	151.486643	1.28175070	0.27363156	125.833092	111.843449	10.042840	0.93102325	1.451129
03/25/2090	163.172790	1.28002868	0.27280274	125.863483	111.655780	10.061934	0.93083335	1.448205
04/03/2119	180.925836	1.27914980	0.27247678	125.984046	111.446631	10.072010	0.93061118	1.446714
04/10/2148	193.936481	1.28017909	0.27287458	126.357337	111.263639	10.069996	0.93085076	1.448461
04/18/2177	205.072844	1.28098869	0.27324434	126.678384	111.069736	10.073133	0.93096579	1.449835

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