Asteroid General Data

1991 TU

General information

Preliminary designation	1991 TU
Group	Apollo
Absolute magnitude	28.39
Approximate diameter (m)	6
Approximate mass (kg)	3.18·10⁵
Number of observations	4
Arc length (days)	0

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	11.922118
a – orbit major semiaxis (astronomical units)	1.39995900
e – orbit eccentricity	0.32625200
ω – orbit ascending node-perihelion angle (degrees)	222.126498
Ω – longitude of orbit ascending node (degrees)	193.280082
i – orbit inclination to the ecliptic plane (degrees)	7.495062

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	219.067114	1.42620234	0.33410549	217.518682	194.875692	7.660666	0.94970031	1.703226
01/21/1858	236.242848	1.42464947	0.33359090	217.877305	194.679978	7.665699	0.94939938	1.700445
01/29/1887	269.502531	1.42194996	0.33278689	218.249659	194.494760	7.675932	0.94874366	1.695614
02/07/1916	304.951820	1.42364429	0.33333064	218.539359	194.223478	7.663600	0.94910002	1.698646
02/14/1945	38.129351	1.41070734	0.32913782	220.201410	193.835356	7.613663	0.94639020	1.675545
02/22/1974	152.516254	1.41079090	0.32923752	220.472457	193.673342	7.614107	0.94630560	1.675694
03/02/2003	295.104981	1.40012394	0.32626245	221.928240	193.402800	7.495367	0.94331607	1.656725
03/09/2032	121.852167	1.40006158	0.32650798	222.187413	193.248414	7.495043	0.94293030	1.656614
03/17/2061	325.105925	1.39241545	0.32415893	223.397622	192.899732	7.444789	0.94105155	1.643062
03/25/2090	194.098510	1.39457965	0.32506202	223.510409	192.675921	7.424538	0.94125478	1.646894
04/03/2119	46.510356	1.39702668	0.32619068	223.647393	192.416677	7.397035	0.94132960	1.651230
04/10/2148	254.724728	1.39568465	0.32572421	224.114905	192.155847	7.402221	0.94107637	1.648852
04/18/2177	109.280909	1.39576112	0.32550573	224.447428	191.899559	7.398790	0.94143288	1.648987

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