Asteroid General Data

2021 JA

General information

Preliminary designation	2021 JA
Group	Apollo
Absolute magnitude	24.05
Approximate diameter (m)	41
Approximate mass (kg)	1.28·10⁸
Number of observations	31
Arc length (days)	30

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	249.832248
a – orbit major semiaxis (astronomical units)	1.61761500
e – orbit eccentricity	0.47344500
ω – orbit ascending node-perihelion angle (degrees)	100.445426
Ω – longitude of orbit ascending node (degrees)	45.681787
i – orbit inclination to the ecliptic plane (degrees)	8.263271

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	209.310687	1.61738369	0.47382185	96.991201	48.345350	8.229793	0.85103196	2.056933
01/21/1858	249.712601	1.61718021	0.47394722	97.614467	47.901440	8.229194	0.85072214	2.056545
01/29/1887	288.562456	1.61745170	0.47366539	98.016684	47.558991	8.229489	0.85132081	2.057063
02/07/1916	329.112437	1.61690934	0.47344689	98.646293	47.097817	8.243228	0.85138864	2.056028
02/14/1945	8.818992	1.61692705	0.47367890	99.050638	46.790966	8.240771	0.85102282	2.056062
02/22/1974	48.271659	1.61705664	0.47397194	99.491580	46.439409	8.244157	0.85061717	2.056309
03/02/2003	89.024428	1.61715805	0.47364279	100.007976	46.031681	8.246658	0.85120280	2.056503
03/09/2032	127.995259	1.61766809	0.47332714	100.480893	45.651375	8.261872	0.85198187	2.057476
03/17/2061	168.366634	1.61722122	0.47332814	101.049599	45.231554	8.264198	0.85174491	2.056623
03/25/2090	207.315637	1.61711772	0.47308356	101.450363	44.942847	8.267734	0.85208590	2.056426
04/03/2119	248.429676	1.61655313	0.47301856	101.987990	44.508296	8.275020	0.85189349	2.055349
04/10/2148	292.643766	1.61644907	0.47268701	102.422359	44.152901	8.282836	0.85237458	2.055151
04/18/2177	335.443642	1.61650883	0.47263587	102.983523	43.715878	8.287863	0.85248878	2.055265

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