Asteroid General Data

2021 UN₂

General information

Preliminary designation	2021 UN₂
Group	Apollo
Absolute magnitude	22.30
Approximate diameter (m)	92
Approximate mass (kg)	1.43·10⁹
Number of observations	49
Arc length (days)	35

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	283.177514
a – orbit major semiaxis (astronomical units)	1.99533900
e – orbit eccentricity	0.50405200
ω – orbit ascending node-perihelion angle (degrees)	38.637880
Ω – longitude of orbit ascending node (degrees)	298.933707
i – orbit inclination to the ecliptic plane (degrees)	5.599339

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	195.341470	1.99122315	0.50033872	34.155531	302.311196	5.855062	0.99493711	2.809833
01/21/1858	313.243608	1.99031107	0.50110347	34.646666	301.985201	5.834909	0.99295930	2.807903
01/29/1887	70.333149	1.99239572	0.50110447	35.511241	301.350987	5.775803	0.99399732	2.812315
02/07/1916	185.726661	1.99355395	0.50237602	36.000469	300.919947	5.722979	0.99204026	2.814768
02/14/1945	295.629912	1.99396184	0.50212945	36.872205	300.366944	5.680449	0.99273488	2.815632
02/22/1974	48.178306	1.99359927	0.50262306	37.278323	299.990149	5.665749	0.99157031	2.814864
03/02/2003	156.043220	1.99650311	0.50219392	38.170606	299.369611	5.615550	0.99387139	2.821016
03/09/2032	262.141123	1.99576944	0.50315942	38.813986	298.782130	5.591113	0.99157925	2.819461
03/17/2061	5.091746	1.99713624	0.50235519	39.619002	298.224689	5.557311	0.99386449	2.822358
03/25/2090	111.057814	1.99542383	0.50289857	40.259413	297.713656	5.536664	0.99192803	2.818729
04/03/2119	219.255038	1.99443359	0.50245494	41.064900	297.201154	5.502241	0.99232059	2.816631
04/10/2148	329.913911	1.99502097	0.50273925	41.756340	296.614642	5.474581	0.99204562	2.817876
04/18/2177	77.195453	1.99549353	0.50365163	42.570150	296.058464	5.440583	0.99045997	2.818877

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