Asteroid General Data

2011 UJ₂₁

General information

Preliminary designation	2011 UJ₂₁
Group	Aten
Absolute magnitude	23.81
Approximate diameter (m)	46
Approximate mass (kg)	1.78·10⁸
Number of observations	29
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	123.960729
a – orbit major semiaxis (astronomical units)	0.97036100
e – orbit eccentricity	0.27395300
ω – orbit ascending node-perihelion angle (degrees)	118.028471
Ω – longitude of orbit ascending node (degrees)	30.148249
i – orbit inclination to the ecliptic plane (degrees)	27.617274

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	288.542356	0.97074005	0.27342329	117.561601	30.917186	27.643418	0.70531711	0.956434
01/21/1858	46.734932	0.97112576	0.27349138	117.596948	30.795341	27.641595	0.70553123	0.957004
01/29/1887	163.810821	0.97103979	0.27364765	117.723047	30.691969	27.640189	0.70531704	0.956877
02/07/1916	283.510026	0.97085928	0.27396841	117.854553	30.581863	27.633409	0.70487450	0.956610
02/14/1945	36.897335	0.97143914	0.27428581	117.862057	30.460233	27.623679	0.70498717	0.957467
02/22/1974	148.229604	0.97163916	0.27433610	117.871069	30.355726	27.614720	0.70508347	0.957763
03/02/2003	261.292173	0.97103917	0.27400786	117.933838	30.240690	27.619132	0.70496681	0.956876
03/09/2032	26.018854	0.97048817	0.27400733	118.009438	30.128305	27.615430	0.70456730	0.956062
03/17/2061	155.112230	0.97063514	0.27400063	118.110496	30.013308	27.615508	0.70468050	0.956279
03/25/2090	274.184530	0.97125482	0.27398735	118.273087	29.899773	27.620436	0.70514328	0.957195
04/03/2119	26.176629	0.97171575	0.27414701	118.459185	29.782641	27.621306	0.70532278	0.957876
04/10/2148	129.628764	0.97197044	0.27418587	118.398886	29.662617	27.614192	0.70546988	0.958253
04/18/2177	229.260028	0.97253143	0.27416667	118.450300	29.548743	27.611418	0.70589572	0.959083

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