Asteroid General Data

2021 AY

General information

Preliminary designation	2021 AY
Group	Apollo
Absolute magnitude	23.93
Approximate diameter (m)	43
Approximate mass (kg)	1.51·10⁸
Number of observations	67
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	350.156761
a – orbit major semiaxis (astronomical units)	2.05899900
e – orbit eccentricity	0.59315100
ω – orbit ascending node-perihelion angle (degrees)	297.362812
Ω – longitude of orbit ascending node (degrees)	101.975787
i – orbit inclination to the ecliptic plane (degrees)	8.520073

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	10.708663	2.06275899	0.58318473	293.244582	105.843852	8.343522	0.85978945	2.962602
01/21/1858	295.599116	2.06197094	0.58534690	294.014651	105.164056	8.372831	0.85500264	2.960905
01/29/1887	225.977068	2.06012620	0.58829165	294.895849	104.413296	8.401216	0.84817116	2.956932
02/07/1916	161.639869	2.05763705	0.59002759	295.503184	103.814920	8.433292	0.84357443	2.951575
02/14/1945	103.202669	2.05742057	0.59167940	296.081951	103.295433	8.452036	0.84008721	2.951109
02/22/1974	47.698201	2.05509499	0.59277815	296.574702	102.744928	8.476820	0.83687958	2.946107
03/02/2003	354.715508	2.05539030	0.59304640	296.969482	102.353804	8.493270	0.83644848	2.946742
03/09/2032	298.589309	2.05820019	0.59248191	297.447108	101.850370	8.523202	0.83875380	2.952786
03/17/2061	237.333194	2.05873296	0.59139531	297.833264	101.487538	8.541073	0.84120795	2.953933
03/25/2090	172.754506	2.06080928	0.58995840	298.262879	101.038274	8.560998	0.84501753	2.958403
04/03/2119	103.695655	2.06199140	0.58739219	298.734294	100.615659	8.586129	0.85079375	2.960949
04/10/2148	29.815938	2.06296606	0.58560859	299.151122	100.214290	8.608321	0.85487541	2.963048
04/18/2177	309.073831	2.06553053	0.58234089	299.742693	99.688011	8.638816	0.86268764	2.968575

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