Asteroid General Data

2021 TR₂₁

General information

Preliminary designation	2021 TR₂₁
Group	Aten
Absolute magnitude	26.33
Approximate diameter (m)	14
Approximate mass (kg)	5.47·10⁶
Number of observations	29
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	239.536700
a – orbit major semiaxis (astronomical units)	0.85304800
e – orbit eccentricity	0.20377400
ω – orbit ascending node-perihelion angle (degrees)	349.616441
Ω – longitude of orbit ascending node (degrees)	230.946908
i – orbit inclination to the ecliptic plane (degrees)	2.080220

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	119.544171	0.84645718	0.20630394	334.871700	250.352448	2.107659	0.67182973	0.778768
01/21/1858	176.898247	0.84832831	0.20495569	336.491999	247.876117	2.137004	0.67445859	0.781352
01/29/1887	224.264326	0.84858760	0.20540855	339.358878	244.600150	2.208818	0.67428045	0.781710
02/07/1916	261.789918	0.85010736	0.20618359	341.592401	241.827118	1.920135	0.67482917	0.783811
02/14/1945	272.977380	0.85012658	0.20542830	343.021642	240.236461	1.945443	0.67548652	0.783837
02/22/1974	276.335598	0.85064199	0.20553239	343.939822	238.618891	1.932324	0.67580751	0.784550
03/02/2003	267.281462	0.85157934	0.20439445	347.112472	233.952950	1.996514	0.67752125	0.785848
03/09/2032	218.691391	0.85381102	0.20443679	350.303373	230.229276	2.056131	0.67926063	0.788939
03/17/2061	155.635698	0.85213693	0.20507677	351.730932	228.422018	2.044369	0.67738344	0.786619
03/25/2090	93.775387	0.85301001	0.20426540	354.523414	224.514145	2.140125	0.67876958	0.787829
04/03/2119	42.705871	0.85326978	0.20582179	356.800202	221.829745	2.033879	0.67764827	0.788189
04/10/2148	333.574428	0.85345906	0.20561387	358.031047	220.212024	2.095230	0.67797604	0.788451
04/18/2177	294.772074	0.85205380	0.20662901	1.181165	216.843085	1.996571	0.67599477	0.786504

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