Asteroid General Data

2021 MS

General information

Preliminary designation	2021 MS
Group	Apollo
Absolute magnitude	23.85
Approximate diameter (m)	45
Approximate mass (kg)	1.68·10⁸
Number of observations	28
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	57.378350
a – orbit major semiaxis (astronomical units)	2.68085500
e – orbit eccentricity	0.80355000
ω – orbit ascending node-perihelion angle (degrees)	282.382283
Ω – longitude of orbit ascending node (degrees)	88.332551
i – orbit inclination to the ecliptic plane (degrees)	4.416172

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	268.768196	2.71947149	0.80920607	241.917348	126.539502	4.869120	0.51885865	4.484638
01/21/1858	86.708422	2.68818799	0.81850026	248.412409	120.347124	4.723791	0.48790542	4.407477
01/29/1887	279.144209	2.68491438	0.82112434	254.578999	114.521182	4.598783	0.48026582	4.399429
02/07/1916	124.263705	2.70024146	0.81508259	258.217987	111.165401	4.513741	0.49932166	4.437154
02/14/1945	322.112419	2.70802825	0.81215592	267.099891	102.752637	4.403723	0.50868708	4.456361
02/22/1974	148.459119	2.72384784	0.80754332	275.997363	94.315786	4.378460	0.52422271	4.495468
03/02/2003	321.686600	2.70482077	0.81321948	279.190531	91.353621	4.438362	0.50520784	4.448446
03/09/2032	126.341745	2.69919536	0.81632095	289.238033	81.781323	4.649691	0.49578564	4.434576
03/17/2061	308.449712	2.71618563	0.81270069	290.953675	80.257023	4.665417	0.50873970	4.476512
03/25/2090	147.638024	2.69604678	0.81800266	300.863328	70.821256	5.099584	0.49067336	4.426819
04/03/2119	358.336216	2.69233307	0.81893708	307.301273	64.879034	5.450755	0.48748168	4.417675
04/10/2148	206.937239	2.70554352	0.81607319	315.297807	57.471912	5.976620	0.49762198	4.450229
04/18/2177	33.342426	2.69620385	0.81686660	316.218584	56.557554	6.075965	0.49376498	4.427206

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