Asteroid General Data

2021 NO₃

General information

Preliminary designation	2021 NO₃
Group	Apollo
Absolute magnitude	23.59
Approximate diameter (m)	51
Approximate mass (kg)	2.41·10⁸
Number of observations	28
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	42.573890
a – orbit major semiaxis (astronomical units)	1.77768900
e – orbit eccentricity	0.67507000
ω – orbit ascending node-perihelion angle (degrees)	309.358229
Ω – longitude of orbit ascending node (degrees)	83.071876
i – orbit inclination to the ecliptic plane (degrees)	2.313908

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	197.654518	1.77347052	0.68083106	307.650032	84.105247	2.311646	0.56603671	2.361764
01/21/1858	301.882160	1.77412799	0.68018462	307.745100	84.066410	2.316997	0.56739341	2.363078
01/29/1887	42.597056	1.77381988	0.67973245	308.113934	83.723161	2.317530	0.56809695	2.362462
02/07/1916	142.289323	1.77502573	0.67828455	307.911798	84.048162	2.329227	0.57105321	2.364872
02/14/1945	240.362343	1.77601633	0.67782383	307.973260	84.026584	2.338164	0.57219013	2.366852
02/22/1974	333.473075	1.77711164	0.67651867	308.348857	83.804442	2.340585	0.57486244	2.369042
03/02/2003	63.898522	1.77614753	0.67551352	308.753618	83.550266	2.329952	0.57633585	2.367114
03/09/2032	153.985658	1.77802982	0.67491012	309.489939	83.005440	2.315483	0.57801949	2.370878
03/17/2061	247.137783	1.77607500	0.67400621	309.673117	82.986239	2.320656	0.57898943	2.366969
03/25/2090	335.103062	1.77870913	0.67384201	310.236495	82.703076	2.356679	0.58014019	2.372237
04/03/2119	67.819742	1.77662406	0.67333561	310.576460	82.393128	2.363473	0.58035982	2.368067
04/10/2148	159.797089	1.77680866	0.67282695	310.939489	82.197779	2.367704	0.58132390	2.368436
04/18/2177	253.460379	1.77395264	0.67252437	311.490489	81.816769	2.365208	0.58092626	2.362728

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