Asteroid General Data

1999 DJ₄ (85938)

General information

Preliminary designation	1999 DJ₄
Number	85938
Group	Apollo
Absolute magnitude	18.73
Approximate diameter (m)	480
Approximate mass (kg)	1.99·10¹¹
Number of observations	635
Arc length (days)	9260

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	315.629078
a – orbit major semiaxis (astronomical units)	1.85286300
e – orbit eccentricity	0.48434300
ω – orbit ascending node-perihelion angle (degrees)	197.762978
Ω – longitude of orbit ascending node (degrees)	19.848609
i – orbit inclination to the ecliptic plane (degrees)	9.138775

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	172.247529	1.85218305	0.48352319	194.939385	21.609108	9.312684	0.95660960	2.520731
01/21/1858	352.215041	1.85314607	0.48399289	195.401099	21.354904	9.280937	0.95623655	2.522697
01/29/1887	175.345080	1.85180831	0.48256252	195.879602	21.054303	9.255702	0.95819503	2.519966
02/07/1916	0.542727	1.85168946	0.48379877	196.167550	20.864587	9.240986	0.95584438	2.519723
02/14/1945	185.807668	1.85075891	0.48343171	196.570667	20.574800	9.231873	0.95604337	2.517824
02/22/1974	10.154241	1.85285685	0.48273695	197.039472	20.308071	9.189555	0.95841439	2.522106
03/02/2003	194.790146	1.85116052	0.48300462	197.535254	20.054984	9.159868	0.95704144	2.518644
03/09/2032	17.179063	1.85283516	0.48438751	197.839514	19.828225	9.136200	0.95534495	2.522062
03/17/2061	199.294109	1.85083805	0.48404893	198.285127	19.571292	9.109943	0.95494187	2.517986
03/25/2090	22.564609	1.85303433	0.48386091	198.775563	19.272186	9.065988	0.95642345	2.522469
04/03/2119	205.986158	1.85228515	0.48378120	199.176226	19.062449	9.040880	0.95618441	2.520939
04/10/2148	28.437989	1.85254249	0.48507435	199.535073	18.772377	9.012783	0.95392164	2.521465
04/18/2177	211.003614	1.85111918	0.48444477	200.030815	18.504583	8.983446	0.95435418	2.518559

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