Asteroid General Data

2021 TD₇

General information

Preliminary designation	2021 TD₇
Group	Apollo
Absolute magnitude	26.61
Approximate diameter (m)	13
Approximate mass (kg)	3.71·10⁶
Number of observations	23
Arc length (days)	6

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	190.218250
a – orbit major semiaxis (astronomical units)	1.59319000
e – orbit eccentricity	0.44354300
ω – orbit ascending node-perihelion angle (degrees)	301.192520
Ω – longitude of orbit ascending node (degrees)	10.747379
i – orbit inclination to the ecliptic plane (degrees)	14.108404

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	77.635414	1.59162258	0.44437080	298.518464	12.747970	13.910673	0.88435199	2.007986
01/21/1858	235.944881	1.59359910	0.44456150	298.961155	12.454482	13.956809	0.88514629	2.011728
01/29/1887	28.835579	1.59347387	0.44440025	299.359210	12.168703	13.972684	0.88533369	2.011491
02/07/1916	183.847591	1.59320139	0.44429601	299.693333	11.927499	13.985691	0.88534837	2.010975
02/14/1945	338.520630	1.59343111	0.44419799	300.100910	11.646988	14.001937	0.88563222	2.011410
02/22/1974	131.362204	1.59388769	0.44421057	300.373268	11.421557	14.011436	0.88586594	2.012274
03/02/2003	286.443100	1.59200942	0.44399072	300.821507	11.078447	14.021622	0.88517201	2.008718
03/09/2032	91.619322	1.59336346	0.44345087	301.267330	10.712141	14.098166	0.88678505	2.011282
03/17/2061	244.340415	1.59346355	0.44357530	301.601209	10.459812	14.111598	0.88664248	2.011471
03/25/2090	38.410590	1.59314165	0.44289885	301.937032	10.220046	14.127167	0.88754105	2.010862
04/03/2119	193.713245	1.59303564	0.44296428	302.268828	9.985104	14.140107	0.88737776	2.010661
04/10/2148	347.934824	1.59356564	0.44274114	302.666141	9.711466	14.157413	0.88802857	2.011664
04/18/2177	140.636817	1.59320334	0.44271485	302.991852	9.476454	14.169345	0.88786855	2.010978

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