Asteroid General Data

2021 AU

General information

Preliminary designation	2021 AU
Group	Apollo
Absolute magnitude	24.37
Approximate diameter (m)	36
Approximate mass (kg)	8.20·10⁷
Number of observations	100
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	307.989368
a – orbit major semiaxis (astronomical units)	1.10029600
e – orbit eccentricity	0.11506800
ω – orbit ascending node-perihelion angle (degrees)	214.701072
Ω – longitude of orbit ascending node (degrees)	286.112288
i – orbit inclination to the ecliptic plane (degrees)	22.533147

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	114.064226	1.10131743	0.11458077	212.495691	286.985750	22.550013	0.97512762	1.155765
01/21/1858	156.928873	1.09893498	0.11324954	213.492464	286.849157	22.557679	0.97448110	1.152016
01/29/1887	226.364968	1.09880740	0.11318416	213.571396	286.734862	22.556573	0.97443981	1.151816
02/07/1916	296.359596	1.09821184	0.11274660	213.956835	286.598973	22.558921	0.97439219	1.150879
02/14/1945	11.979601	1.09840867	0.11303231	214.026980	286.479516	22.557012	0.97425301	1.151189
02/22/1974	84.390565	1.09953722	0.11380528	213.919027	286.353226	22.550903	0.97440407	1.152963
03/02/2003	152.684532	1.09862619	0.11318661	214.217805	286.227363	22.554704	0.97427642	1.151531
03/09/2032	215.995920	1.10022312	0.11511060	214.698794	286.092270	22.533360	0.97357578	1.154042
03/17/2061	255.100046	1.10141161	0.11597649	214.622860	285.958056	22.524887	0.97367376	1.155913
03/25/2090	307.233322	1.09911530	0.11458050	215.520544	285.823359	22.533123	0.97317812	1.152300
04/03/2119	13.873946	1.09912088	0.11466963	215.619897	285.703167	22.530699	0.97308510	1.152309
04/10/2148	69.228364	1.10167084	0.11669940	215.563365	285.569618	22.510482	0.97310652	1.156321
04/18/2177	104.506483	1.10165001	0.11678574	215.651154	285.454678	22.508812	0.97299300	1.156288

Detailed table...

3D animation...

Calculation on the date...

Return to search