Asteroid General Data

2021 MJ

General information

Preliminary designation	2021 MJ
Group	Aten
Absolute magnitude	20.45
Approximate diameter (m)	220
Approximate mass (kg)	1.84·10¹⁰
Number of observations	37
Arc length (days)	66

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	201.994291
a – orbit major semiaxis (astronomical units)	0.89247800
e – orbit eccentricity	0.19551200
ω – orbit ascending node-perihelion angle (degrees)	20.810500
Ω – longitude of orbit ascending node (degrees)	122.831220
i – orbit inclination to the ecliptic plane (degrees)	40.110656

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	313.336623	0.89054667	0.19353639	20.576968	123.296142	40.126025	0.71819349	0.840399
01/21/1858	142.922194	0.89139403	0.19472347	20.619909	123.225524	40.115784	0.71781869	0.841599
01/29/1887	322.900683	0.89089871	0.19424750	20.723210	123.162009	40.120541	0.71784386	0.840898
02/07/1916	129.124304	0.89220887	0.19548757	20.681361	123.090036	40.109212	0.71779312	0.842753
02/14/1945	284.301408	0.89248113	0.19552790	20.736333	123.022344	40.107106	0.71797617	0.843139
02/22/1974	74.646580	0.89267328	0.19567011	20.745593	122.954413	40.106983	0.71800381	0.843411
03/02/2003	225.608371	0.89236054	0.19579732	20.748743	122.886040	40.109754	0.71763874	0.842968
03/09/2032	20.144520	0.89233295	0.19537663	20.811431	122.818906	40.111082	0.71799194	0.842929
03/17/2061	175.526913	0.89220486	0.19571724	20.773980	122.750163	40.112240	0.71758499	0.842748
03/25/2090	323.858595	0.89277145	0.19605433	20.801106	122.683598	40.105843	0.71773974	0.843550
04/03/2119	109.963265	0.89266962	0.19597598	21.195787	122.612180	40.104179	0.71772782	0.843406
04/10/2148	258.631740	0.89272217	0.19614896	21.197373	122.547056	40.103635	0.71761565	0.843481
04/18/2177	55.174322	0.89209027	0.19606135	21.240282	122.479454	40.109535	0.71718584	0.842585

Detailed table...

3D animation...

Calculation on the date...

Return to search