Asteroid General Data

1991 TB₂ (408752)

General information

Preliminary designation	1991 TB₂
Number	408752
Group	Apollo
Absolute magnitude	17.23
Approximate diameter (m)	950
Approximate mass (kg)	1.58·10¹²
Number of observations	2625
Arc length (days)	11986

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	313.984790
a – orbit major semiaxis (astronomical units)	2.04522300
e – orbit eccentricity	0.79239100
ω – orbit ascending node-perihelion angle (degrees)	199.418692
Ω – longitude of orbit ascending node (degrees)	291.877531
i – orbit inclination to the ecliptic plane (degrees)	7.928791

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	93.831767	2.08046085	0.76830056	197.123456	293.618215	7.985647	0.48204162	3.000820
01/21/1858	333.648454	2.08114962	0.76916143	197.351882	293.396050	7.964165	0.48040960	3.002310
01/29/1887	217.039526	2.07833537	0.77175691	197.598088	293.224270	7.964991	0.47436568	2.996222
02/07/1916	113.523954	2.06807230	0.77788522	198.095788	292.868978	7.973804	0.45934942	2.974056
02/14/1945	33.539417	2.06077216	0.78267479	198.540082	292.554745	7.960050	0.44785774	2.958323
02/22/1974	335.118947	2.05093087	0.78866027	199.028113	292.236459	7.947904	0.43344317	2.937157
03/02/2003	297.057724	2.04671971	0.79142173	199.231362	292.062576	7.944362	0.42690125	2.928115
03/09/2032	267.856353	2.04488142	0.79276622	199.423811	291.851183	7.930812	0.42376851	2.924171
03/17/2061	234.536312	2.04970436	0.79070119	199.781178	291.499151	7.840417	0.42900068	2.934523
03/25/2090	188.336537	2.05465528	0.78750921	200.306882	291.013809	7.720054	0.43659533	2.945161
04/03/2119	121.444042	2.06541139	0.78119417	201.341527	290.099054	7.492925	0.45192406	2.968318
04/10/2148	32.843531	2.07245991	0.77699298	202.084382	289.448689	7.334280	0.46217311	2.983526
04/18/2177	282.443826	2.08190912	0.77238011	202.894908	288.663422	7.185447	0.47388392	3.003954

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