Asteroid General Data

2021 OW

General information

Preliminary designation	2021 OW
Group	Apollo
Absolute magnitude	22.19
Approximate diameter (m)	97
Approximate mass (kg)	1.67·10⁹
Number of observations	82
Arc length (days)	25

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	46.458862
a – orbit major semiaxis (astronomical units)	2.77967400
e – orbit eccentricity	0.65024400
ω – orbit ascending node-perihelion angle (degrees)	131.082602
Ω – longitude of orbit ascending node (degrees)	128.307311
i – orbit inclination to the ecliptic plane (degrees)	14.678364

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	223.311617	2.81653554	0.64463879	112.136489	146.300960	12.251569	1.00088748	4.726868
01/21/1858	263.378930	2.83835105	0.63570074	117.153142	141.380983	12.566252	1.03400919	4.781892
01/29/1887	271.903780	2.85848125	0.62795248	120.039036	138.634377	12.756172	1.06349087	4.832854
02/07/1916	265.012115	2.86372510	0.62559796	121.099583	137.688813	12.847687	1.07218452	4.846158
02/14/1945	270.763960	2.84543905	0.63063594	122.914576	135.952317	13.130708	1.05100293	4.799815
02/22/1974	306.902432	2.82130014	0.63777583	126.721097	132.352174	13.785661	1.02194311	4.738867
03/02/2003	19.355608	2.77849484	0.65053121	130.669695	128.716825	14.606818	0.97099724	4.631429
03/09/2032	112.025921	2.77902365	0.65105254	131.144350	128.251957	14.689429	0.96973324	4.632751
03/17/2061	190.915446	2.81147509	0.63960242	134.324843	125.458609	15.045272	1.01324882	4.714135
03/25/2090	235.306585	2.84078259	0.62428433	137.311957	122.471610	15.605366	1.06732654	4.788038
04/03/2119	248.660061	2.86042784	0.61494032	138.884204	120.996068	15.850195	1.10143543	4.837791
04/10/2148	243.980889	2.85942709	0.61443501	139.532694	120.401005	15.977611	1.10249497	4.835252
04/18/2177	247.597521	2.84199970	0.61899923	140.738741	119.420865	16.302576	1.08280407	4.791116

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