Asteroid General Data

2021 AA₄

General information

Preliminary designation	2021 AA₄
Group	Apollo
Absolute magnitude	24.97
Approximate diameter (m)	27
Approximate mass (kg)	3.58·10⁷
Number of observations	35
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	225.623903
a – orbit major semiaxis (astronomical units)	1.37124000
e – orbit eccentricity	0.33819200
ω – orbit ascending node-perihelion angle (degrees)	137.267445
Ω – longitude of orbit ascending node (degrees)	268.901040
i – orbit inclination to the ecliptic plane (degrees)	5.285547

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	337.104943	1.39348902	0.34508197	136.941207	271.206345	5.536235	0.91262109	1.644962
01/21/1858	252.494475	1.37417700	0.33948795	135.314479	270.856593	5.263400	0.90766046	1.610885
01/29/1887	262.465436	1.37300760	0.33918796	135.646784	270.515470	5.271071	0.90729996	1.608830
02/07/1916	277.275854	1.37176306	0.33860048	136.024261	270.129853	5.276502	0.90728343	1.606643
02/14/1945	295.811529	1.37204587	0.33865441	136.384903	269.884631	5.279049	0.90739649	1.607139
02/22/1974	322.707781	1.37183257	0.33841584	136.684127	269.487940	5.279296	0.90758270	1.606765
03/02/2003	343.951651	1.37147795	0.33826587	137.064407	269.233030	5.281192	0.90755376	1.606142
03/09/2032	12.932309	1.37150318	0.33825883	137.386553	268.846453	5.287217	0.90758012	1.606186
03/17/2061	38.367848	1.37073603	0.33803656	137.802756	268.515103	5.289754	0.90737714	1.604839
03/25/2090	62.151494	1.37565421	0.34010524	138.428027	268.070135	5.234459	0.90778701	1.613484
04/03/2119	58.712458	1.37538151	0.33989279	138.693898	267.807760	5.241095	0.90789925	1.613004
04/10/2148	48.987678	1.37680190	0.34051181	139.376534	267.364074	5.234591	0.90798459	1.615503
04/18/2177	31.228009	1.37769170	0.34067542	139.850846	267.002583	5.235528	0.90834599	1.617069

Detailed table...

3D animation...

Calculation on the date...

Return to search