Asteroid General Data

2021 NC

General information

Preliminary designation	2021 NC
Group	Apollo
Absolute magnitude	24.98
Approximate diameter (m)	27
Approximate mass (kg)	3.53·10⁷
Number of observations	36
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	240.380193
a – orbit major semiaxis (astronomical units)	1.28452200
e – orbit eccentricity	0.22985900
ω – orbit ascending node-perihelion angle (degrees)	307.212415
Ω – longitude of orbit ascending node (degrees)	282.790963
i – orbit inclination to the ecliptic plane (degrees)	15.223246

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	345.549585	1.28442780	0.23111947	305.408208	283.980464	15.159085	0.98757153	1.455677
01/21/1858	317.389587	1.28520289	0.23141816	305.743173	283.803720	15.163373	0.98778359	1.456995
01/29/1887	289.309276	1.28493650	0.23114226	305.912200	283.649390	15.168684	0.98793337	1.456542
02/07/1916	262.116470	1.28513189	0.23094296	306.203252	283.467881	15.181891	0.98833972	1.456875
02/14/1945	234.010815	1.28465330	0.23058098	306.420030	283.289887	15.188338	0.98843669	1.456061
02/22/1974	207.724903	1.28511449	0.23052167	306.754632	283.115335	15.201791	0.98886776	1.456845
03/02/2003	179.174599	1.28509234	0.23044252	306.975012	282.955074	15.206207	0.98895242	1.456807
03/09/2032	154.387720	1.28448816	0.22989060	307.235223	282.768580	15.223670	0.98919640	1.455780
03/17/2061	126.305439	1.28495515	0.23006237	307.541305	282.592873	15.228081	0.98933531	1.456574
03/25/2090	100.039668	1.28427361	0.22947004	307.731370	282.412696	15.241771	0.98957128	1.455415
04/03/2119	75.247223	1.28495583	0.22968652	308.054951	282.245184	15.250172	0.98981879	1.456575
04/10/2148	46.577155	1.28486708	0.22944843	308.275736	282.081982	15.253208	0.99005635	1.456424
04/18/2177	21.855442	1.28490759	0.22910986	308.591752	281.893889	15.270050	0.99052259	1.456493

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