Asteroid General Data

2021 TO₄

General information

Preliminary designation	2021 TO₄
Group	Amor
Absolute magnitude	26.48
Approximate diameter (m)	13
Approximate mass (kg)	4.45·10⁶
Number of observations	15
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	194.299931
a – orbit major semiaxis (astronomical units)	2.18878800
e – orbit eccentricity	0.52544000
ω – orbit ascending node-perihelion angle (degrees)	354.902211
Ω – longitude of orbit ascending node (degrees)	359.701720
i – orbit inclination to the ecliptic plane (degrees)	3.584575

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	154.845571	2.18570811	0.52537668	351.268284	1.589015	3.675607	1.03738805	3.231386
01/21/1858	144.610762	2.18767006	0.52397836	351.586385	1.380913	3.657014	1.04137828	3.235738
01/29/1887	135.489368	2.18502254	0.52436771	352.284035	1.054299	3.657935	1.03926727	3.229866
02/07/1916	127.227224	2.18920979	0.52445454	352.934038	0.770890	3.637098	1.04106879	3.239155
02/14/1945	115.208191	2.18770776	0.52539952	353.302578	0.518888	3.632886	1.03828715	3.235822
02/22/1974	102.378158	2.18804541	0.52599673	353.833057	0.240088	3.615590	1.03714067	3.236571
03/02/2003	93.403220	2.18754585	0.52364937	354.346705	359.944777	3.598672	1.04203884	3.235462
03/09/2032	82.907737	2.19014328	0.52441583	354.912170	359.653046	3.577480	1.04159747	3.241227
03/17/2061	69.992227	2.18856707	0.52444785	355.526838	359.412723	3.561782	1.04077778	3.237728
03/25/2090	57.575617	2.18707943	0.52400100	356.220047	359.064045	3.549324	1.04104762	3.234428
04/03/2119	49.046608	2.18521406	0.52593938	356.565482	358.824681	3.545144	1.03592393	3.230291
04/10/2148	38.699252	2.18499011	0.52591526	357.178849	358.524975	3.524998	1.03587047	3.229794
04/18/2177	30.862995	2.18629246	0.52449946	357.542558	358.277499	3.502435	1.03958324	3.232682

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