Asteroid General Data

2021 TK₂₀

General information

Preliminary designation	2021 TK₂₀
Group	Apollo
Absolute magnitude	22.45
Approximate diameter (m)	86
Approximate mass (kg)	1.16·10⁹
Number of observations	33
Arc length (days)	25

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	56.756078
a – orbit major semiaxis (astronomical units)	2.56597200
e – orbit eccentricity	0.83924900
ω – orbit ascending node-perihelion angle (degrees)	311.562856
Ω – longitude of orbit ascending node (degrees)	190.599871
i – orbit inclination to the ecliptic plane (degrees)	11.058271

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	112.553444	2.58801434	0.84010956	241.173738	261.328876	9.392788	0.41379875	4.163424
01/21/1858	111.578931	2.56271636	0.84715294	245.929201	256.741620	9.196695	0.39170367	4.102527
01/29/1887	143.806206	2.55975120	0.84902498	272.037014	230.173228	8.466905	0.38645849	4.095409
02/07/1916	145.195499	2.58796198	0.84164599	279.433710	222.893256	8.411231	0.40981416	4.163298
02/14/1945	139.621277	2.57633060	0.84504760	281.245995	221.189929	8.499817	0.39920862	4.135262
02/22/1974	167.992819	2.55879217	0.85072839	305.641388	196.514082	10.359885	0.38195503	4.093107
03/02/2003	175.315370	2.58849615	0.83986660	311.022923	191.089933	11.009515	0.41450469	4.164587
03/09/2032	166.191097	2.58379349	0.84089799	311.687930	190.428371	11.116482	0.41108673	4.153243
03/17/2061	188.170904	2.55642787	0.84485471	322.843109	179.122743	14.102759	0.39661775	4.087436
03/25/2090	201.402195	2.58297915	0.83496356	327.169975	174.806438	15.234589	0.42628569	4.151279
04/03/2119	193.151819	2.58197506	0.83521556	327.641012	174.401379	15.400970	0.42546930	4.148859
04/10/2148	210.675112	2.55113348	0.84057643	331.257505	170.944896	17.412143	0.40671081	4.074745
04/18/2177	231.856375	2.58289797	0.82566345	335.947852	166.039638	19.882417	0.45029352	4.151084

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