Asteroid General Data

2021 KY

General information

Preliminary designation	2021 KY
Group	Apollo
Absolute magnitude	25.07
Approximate diameter (m)	26
Approximate mass (kg)	3.12·10⁷
Number of observations	26
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	21.048003
a – orbit major semiaxis (astronomical units)	1.22723500
e – orbit eccentricity	0.27575600
ω – orbit ascending node-perihelion angle (degrees)	289.660060
Ω – longitude of orbit ascending node (degrees)	227.250121
i – orbit inclination to the ecliptic plane (degrees)	7.435990

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	73.141994	1.22468377	0.27605351	286.502831	229.520882	7.286526	0.88660551	1.355303
01/21/1858	231.346392	1.22535733	0.27574824	287.182623	229.050279	7.343176	0.88746721	1.356422
01/29/1887	18.674373	1.22414119	0.27526233	287.419162	228.783907	7.356322	0.88718124	1.354403
02/07/1916	168.822416	1.22438545	0.27550909	287.841388	228.479112	7.352609	0.88705613	1.354808
02/14/1945	323.341704	1.22564918	0.27581758	288.257102	228.156809	7.366951	0.88759359	1.356906
02/22/1974	107.126355	1.22477339	0.27500518	288.680322	227.823866	7.432649	0.88795437	1.355452
03/02/2003	256.958850	1.22557758	0.27528056	289.144615	227.490159	7.433323	0.88819990	1.356787
03/09/2032	30.915331	1.22716108	0.27564921	289.701072	227.221216	7.436726	0.88889510	1.359418
03/17/2061	158.367402	1.22577278	0.27509116	289.854638	226.906923	7.457908	0.88857353	1.357112
03/25/2090	303.299085	1.22449283	0.27461153	290.037959	226.652934	7.470778	0.88823298	1.354987
04/03/2119	89.666093	1.22695998	0.27531369	290.706398	226.315952	7.477782	0.88916110	1.359084
04/10/2148	215.545343	1.22697442	0.27535400	290.975383	226.073063	7.478946	0.88912211	1.359108
04/18/2177	338.629556	1.22942261	0.27586924	291.737582	225.744786	7.508714	0.89026272	1.363177

Detailed table...

3D animation...

Calculation on the date...

Return to search