Asteroid General Data

2021 LM

General information

Preliminary designation	2021 LM
Group	Apollo
Absolute magnitude	26.28
Approximate diameter (m)	15
Approximate mass (kg)	5.86·10⁶
Number of observations	13
Arc length (days)	19

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	31.330975
a – orbit major semiaxis (astronomical units)	1.05998400
e – orbit eccentricity	0.12331100
ω – orbit ascending node-perihelion angle (degrees)	273.160621
Ω – longitude of orbit ascending node (degrees)	236.815042
i – orbit inclination to the ecliptic plane (degrees)	8.701154

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	278.696863	1.05840639	0.12458159	270.908909	239.329200	8.606904	0.92654844	1.088878
01/21/1858	145.527515	1.06033905	0.12402171	272.053719	239.001023	8.650343	0.92883399	1.091862
01/29/1887	346.075319	1.06063713	0.12451095	272.903555	238.686221	8.632098	0.92857619	1.092322
02/07/1916	194.372573	1.05994336	0.12441186	272.281858	238.280733	8.637016	0.92807383	1.091251
02/14/1945	59.749854	1.05891780	0.12399666	271.617378	237.907712	8.655771	0.92761553	1.089667
02/22/1974	292.035693	1.05878372	0.12452964	272.245567	237.522792	8.633339	0.92693376	1.089461
03/02/2003	168.688957	1.05823715	0.12374320	271.954766	237.106271	8.668342	0.92728750	1.088617
03/09/2032	37.450660	1.05992369	0.12326737	273.202060	236.795925	8.701759	0.92926969	1.091220
03/17/2061	233.273043	1.06116594	0.12383429	273.954439	236.417406	8.692096	0.92975721	1.093139
03/25/2090	69.568076	1.06246232	0.12317981	274.511082	236.033533	8.733708	0.93158841	1.095143
04/03/2119	260.748537	1.06197191	0.12310873	274.715375	235.673453	8.736055	0.93123389	1.094385
04/10/2148	96.790664	1.06104647	0.12315828	274.863784	235.342266	8.727498	0.93036981	1.092955
04/18/2177	271.050206	1.06327930	0.12360611	276.222096	234.931052	8.728062	0.93185148	1.096407

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