Asteroid General Data

2021 NB

General information

Preliminary designation	2021 NB
Group	Apollo
Absolute magnitude	26.89
Approximate diameter (m)	11
Approximate mass (kg)	2.52·10⁶
Number of observations	48
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	136.971433
a – orbit major semiaxis (astronomical units)	2.40779900
e – orbit eccentricity	0.58729800
ω – orbit ascending node-perihelion angle (degrees)	159.339125
Ω – longitude of orbit ascending node (degrees)	148.557948
i – orbit inclination to the ecliptic plane (degrees)	0.567207

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	275.349048	2.41763469	0.59049239	137.449633	168.400378	0.339848	0.99003981	3.759124
01/21/1858	179.344284	2.41294317	0.59277927	137.303279	168.398421	0.345438	0.98260048	3.748187
01/29/1887	73.083668	2.42739251	0.58348526	142.379413	163.979579	0.387943	1.01104475	3.781905
02/07/1916	323.480764	2.41624817	0.59228601	144.473364	162.388166	0.410923	0.98513818	3.755890
02/14/1945	229.912011	2.41814953	0.59036519	144.852955	161.854825	0.420478	0.99055824	3.760325
02/22/1974	122.955543	2.41729438	0.58597345	150.026422	157.696429	0.475440	1.00082406	3.758330
03/02/2003	31.374220	2.40954248	0.59350876	150.281217	157.467461	0.486794	0.97945791	3.740266
03/09/2032	303.270291	2.40914415	0.58452578	159.701293	148.328754	0.581775	1.00093729	3.739339
03/17/2061	220.387491	2.39940575	0.59141201	161.163299	147.469010	0.616863	0.98036838	3.716688
03/25/2090	148.775649	2.40602946	0.58681068	161.342965	147.265967	0.631565	0.99414568	3.732089
04/03/2119	61.809274	2.42153567	0.59167765	163.627555	146.114745	0.663704	0.98876714	3.768226
04/10/2148	323.468175	2.41915895	0.59340788	163.403104	146.110172	0.671942	0.98361097	3.762679
04/18/2177	209.392352	2.43113528	0.58574556	164.621279	145.471449	0.707746	1.00710858	3.790655

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