Asteroid General Data

2021 UM₃

General information

Preliminary designation	2021 UM₃
Group	Apollo
Absolute magnitude	24.62
Approximate diameter (m)	32
Approximate mass (kg)	5.81·10⁷
Number of observations	27
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	152.472025
a – orbit major semiaxis (astronomical units)	1.62903300
e – orbit eccentricity	0.52784400
ω – orbit ascending node-perihelion angle (degrees)	111.262264
Ω – longitude of orbit ascending node (degrees)	205.978897
i – orbit inclination to the ecliptic plane (degrees)	10.488217

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	194.602914	1.63030770	0.52817103	107.867383	208.918522	10.369767	0.76922641	2.081637
01/21/1858	173.170097	1.62978555	0.52798005	108.311320	208.529555	10.387414	0.76929129	2.080637
01/29/1887	152.257246	1.63007890	0.52804603	108.895442	208.046146	10.407643	0.76932221	2.081199
02/07/1916	129.869401	1.63088470	0.52833104	109.406767	207.632387	10.420841	0.76923769	2.082742
02/14/1945	102.552823	1.63161251	0.52871214	110.045540	207.152409	10.434233	0.76895917	2.084136
02/22/1974	73.027056	1.63204267	0.52854306	110.489425	206.753754	10.451668	0.76943785	2.084961
03/02/2003	43.297301	1.63137251	0.52872220	110.967383	206.321854	10.472210	0.76882965	2.083677
03/09/2032	20.948765	1.62835616	0.52778971	111.372266	205.884944	10.497547	0.76892653	2.077900
03/17/2061	6.564133	1.62921323	0.52784790	111.826433	205.499888	10.511334	0.76923645	2.079541
03/25/2090	350.752218	1.62891781	0.52763338	112.392383	205.030621	10.537160	0.76944639	2.078975
04/03/2119	345.902137	1.62571492	0.52715183	112.713883	204.622231	10.507438	0.76871632	2.072847
04/10/2148	345.029595	1.62637079	0.52732262	113.288251	204.153070	10.530162	0.76874868	2.074101
04/18/2177	343.308987	1.62608076	0.52729286	113.735121	203.778351	10.550802	0.76865999	2.073547

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