Asteroid General Data

2021 MK₁

General information

Preliminary designation	2021 MK₁
Group	Aten
Absolute magnitude	21.37
Approximate diameter (m)	140
Approximate mass (kg)	5.17·10⁹
Number of observations	319
Arc length (days)	1896

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	224.673737
a – orbit major semiaxis (astronomical units)	0.80769200
e – orbit eccentricity	0.28793400
ω – orbit ascending node-perihelion angle (degrees)	199.001308
Ω – longitude of orbit ascending node (degrees)	273.982982
i – orbit inclination to the ecliptic plane (degrees)	19.241753

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	291.851283	0.80401273	0.29284055	197.766877	275.093819	19.224200	0.56856520	0.720933
01/21/1858	22.338481	0.80458286	0.29214999	197.974448	274.925363	19.224688	0.56952398	0.721700
01/29/1887	113.819371	0.80404302	0.29298256	198.036910	274.765566	19.211921	0.56847244	0.720974
02/07/1916	205.307763	0.80517784	0.29144221	198.278625	274.598753	19.223296	0.57051503	0.722501
02/14/1945	254.724339	0.80559823	0.29094564	198.467425	274.440745	19.222495	0.57121294	0.723067
02/22/1974	317.243154	0.80432746	0.29272704	198.417687	274.279560	19.202673	0.56887906	0.721357
03/02/2003	40.298098	0.80458462	0.29252336	198.549432	274.128762	19.197778	0.56922482	0.721702
03/09/2032	60.821135	0.80750774	0.28818517	199.005499	273.948397	19.247790	0.57479599	0.725639
03/17/2061	53.955647	0.80858939	0.28682978	199.272010	273.795547	19.252833	0.57666187	0.727098
03/25/2090	346.604437	0.81019151	0.28470079	199.613142	273.639220	19.267786	0.57952935	0.729260
04/03/2119	266.856756	0.81065309	0.28418517	199.792637	273.480794	19.265353	0.58027750	0.729883
04/10/2148	178.190776	0.81033859	0.28473346	199.894039	273.310038	19.253478	0.57960808	0.729458
04/18/2177	98.303977	0.81016652	0.28506649	199.984391	273.157442	19.245426	0.57921519	0.729226

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