Asteroid General Data

2021 AT₂

General information

Preliminary designation	2021 AT₂
Group	Apollo
Absolute magnitude	27.27
Approximate diameter (m)	9
Approximate mass (kg)	1.49·10⁶
Number of observations	31
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	259.454889
a – orbit major semiaxis (astronomical units)	1.02457700
e – orbit eccentricity	0.07472000
ω – orbit ascending node-perihelion angle (degrees)	83.461210
Ω – longitude of orbit ascending node (degrees)	292.215005
i – orbit inclination to the ecliptic plane (degrees)	3.956787

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	334.852222	1.02036735	0.07692773	85.142133	298.488785	3.936134	0.94187281	1.030708
01/21/1858	30.246781	1.02150047	0.07698382	85.709596	297.524514	3.938454	0.94286146	1.032425
01/29/1887	69.849341	1.02412074	0.07709773	85.525868	296.523194	3.940430	0.94516335	1.036400
02/07/1916	74.325530	1.02354070	0.07658642	85.395508	295.693782	3.939320	0.94515138	1.035520
02/14/1945	83.534894	1.02572896	0.07662642	84.522131	294.805905	3.932840	0.94713102	1.038842
02/22/1974	60.913139	1.02673715	0.07641247	83.817770	294.003503	3.925142	0.94828163	1.040374
03/02/2003	25.082928	1.02694021	0.07609138	83.116763	293.231389	3.919449	0.94879891	1.040683
03/09/2032	0.295452	1.02444296	0.07471980	83.577764	292.181723	3.956366	0.94789679	1.036889
03/17/2061	6.909244	1.02297027	0.07401495	83.436740	291.318721	3.962045	0.94725518	1.034654
03/25/2090	44.259842	1.01991205	0.07327395	84.892226	290.290623	3.978454	0.94517906	1.030018
04/03/2119	101.467839	1.02270545	0.07334036	85.445135	289.154835	3.991426	0.94769987	1.034252
04/10/2148	132.707760	1.02032770	0.07271523	86.415521	288.180425	4.000686	0.94613434	1.030647
04/18/2177	191.065343	1.01614781	0.07261464	88.929909	287.715813	4.014225	0.94236060	1.024321

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