Asteroid General Data

2021 KN₂

General information

Preliminary designation	2021 KN₂
Group	Apollo
Absolute magnitude	28.66
Approximate diameter (m)	5
Approximate mass (kg)	2.19·10⁵
Number of observations	65
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
05/31/2021 02:09:36 AM	Earth	0.000966	144 555
05/31/2093 02:24:00 PM	Earth	0.000394	58 979

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	36.343342
a – orbit major semiaxis (astronomical units)	1.40971707
e – orbit eccentricity	0.37271843
ω – orbit ascending node-perihelion angle (degrees)	237.117475
Ω – longitude of orbit ascending node (degrees)	70.303351
i – orbit inclination to the ecliptic plane (degrees)	3.760204

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	8.746121	1.36506480	0.36243850	238.314879	73.033111	2.651806	0.87031276	1.594889
01/21/1858	68.438167	1.37011766	0.36381370	238.078834	72.828395	2.653122	0.87165009	1.603753
01/29/1887	100.643499	1.37122331	0.36415291	238.713893	72.176110	2.658860	0.87188834	1.605694
02/07/1916	123.648634	1.38525511	0.36756407	237.874463	71.894157	2.853638	0.87608510	1.630404
02/14/1945	50.894395	1.38613922	0.36787905	238.442128	71.439015	2.857728	0.87620764	1.631965
02/22/1974	335.995059	1.38535434	0.36763778	238.948394	70.953202	2.863585	0.87604575	1.630579
03/02/2003	262.413815	1.38557515	0.36779600	239.139392	70.806562	2.860709	0.87596615	1.630969
03/09/2032	134.032718	1.40987832	0.37247063	237.125587	70.249295	3.758606	0.88474005	1.674068
03/17/2061	252.742412	1.41071469	0.37295124	237.570116	69.851220	3.759610	0.88458690	1.675558
03/25/2090	7.992903	1.41003554	0.37253490	237.843911	69.701810	3.756623	0.88474809	1.674348
04/03/2119	353.332448	1.57758762	0.42065635	228.208511	69.453021	2.733472	0.91396537	1.981485
04/10/2148	223.949384	1.57802596	0.42108287	228.540479	69.285597	2.728257	0.91354627	1.982311
04/18/2177	94.575566	1.57762817	0.42114343	228.807292	69.140271	2.724478	0.91322044	1.981562

Detailed table...

3D animation...

Calculation on the date...

Return to search