Asteroid General Data

2021 EK₄

General information

Preliminary designation	2021 EK₄
Group	Amor
Absolute magnitude	22.40
Approximate diameter (m)	88
Approximate mass (kg)	1.25·10⁹
Number of observations	107
Arc length (days)	96

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	136.872345
a – orbit major semiaxis (astronomical units)	2.47173000
e – orbit eccentricity	0.56701100
ω – orbit ascending node-perihelion angle (degrees)	44.837879
Ω – longitude of orbit ascending node (degrees)	176.344872
i – orbit inclination to the ecliptic plane (degrees)	14.942814

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	55.278482	2.49736634	0.54425682	37.100795	182.208850	15.931916	1.13815767	3.946608
01/21/1858	155.322800	2.52764638	0.53153103	39.901372	180.534898	15.450263	1.18412389	4.018603
01/29/1887	219.796448	2.54554449	0.52154517	41.104782	179.403825	15.234093	1.21792805	4.061362
02/07/1916	269.284883	2.54868089	0.51892304	41.087626	179.130047	15.204441	1.22611166	4.068870
02/14/1945	319.916113	2.54278021	0.52262215	40.872907	178.998443	15.231429	1.21386696	4.054748
02/22/1974	28.727477	2.52707434	0.53188948	41.317583	178.653392	15.240449	1.18295009	4.017239
03/02/2003	134.378439	2.49288284	0.55364777	43.516729	177.243219	15.053411	1.11270382	3.935985
03/09/2032	284.124751	2.47230787	0.56705444	44.916852	176.308696	14.933775	1.07037471	3.887357
03/17/2061	109.642627	2.45435065	0.57728495	45.174646	175.969005	14.948943	1.03749096	3.845081
03/25/2090	308.563452	2.45349182	0.57806703	45.133574	175.805806	14.944785	1.03520909	3.843063
04/03/2119	142.844269	2.46220221	0.57291058	45.471185	175.407146	14.858544	1.05158052	3.863547
04/10/2148	308.485941	2.48379259	0.56156480	47.607312	173.687121	14.534775	1.08898210	3.914476
04/18/2177	73.419564	2.50804091	0.55107814	50.804071	171.401921	14.107950	1.12591440	3.971939

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