Asteroid General Data

2021 KM

General information

Preliminary designation	2021 KM
Group	Aten
Absolute magnitude	25.55
Approximate diameter (m)	21
Approximate mass (kg)	1.61·10⁷
Number of observations	23
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	240.132706
a – orbit major semiaxis (astronomical units)	0.88932700
e – orbit eccentricity	0.33734100
ω – orbit ascending node-perihelion angle (degrees)	244.684957
Ω – longitude of orbit ascending node (degrees)	210.831952
i – orbit inclination to the ecliptic plane (degrees)	6.817541

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	12.102201	0.88909908	0.33642164	242.511606	213.671394	6.896147	0.58998691	0.838351
01/21/1858	233.396513	0.88942911	0.33636867	242.973272	213.234200	6.879406	0.59025302	0.838818
01/29/1887	83.914110	0.88974117	0.33629360	243.285933	212.815656	6.879698	0.59052691	0.839259
02/07/1916	299.265061	0.88926591	0.33648971	243.538381	212.422685	6.867405	0.59003708	0.838587
02/14/1945	159.648856	0.88941307	0.33678933	243.816967	212.011718	6.864150	0.58986823	0.838795
02/22/1974	10.485358	0.88991925	0.33699456	244.111837	211.627907	6.866681	0.59002130	0.839511
03/02/2003	219.796372	0.89005388	0.33725852	244.425926	211.207911	6.835479	0.58987563	0.839702
03/09/2032	70.870357	0.88907413	0.33738945	244.764743	210.786840	6.820381	0.58910991	0.838316
03/17/2061	294.233225	0.88900778	0.33746018	245.105614	210.353438	6.820546	0.58900306	0.838222
03/25/2090	147.786796	0.88993318	0.33750635	245.429906	209.908271	6.823040	0.58957508	0.839531
04/03/2119	354.558756	0.88972331	0.33778228	245.688965	209.505819	6.802843	0.58919054	0.839234
04/10/2148	206.388132	0.88913185	0.33776420	246.006993	209.096657	6.798627	0.58881494	0.838397
04/18/2177	68.843384	0.88911667	0.33773114	246.331507	208.726249	6.803329	0.58883429	0.838376

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