Asteroid General Data

1990 SB (5587)

General information

Preliminary designation	1990 SB
Number	5587
Group	Amor
Absolute magnitude	13.89
Approximate diameter (m)	4 400
Approximate mass (kg)	1.59·10¹⁴
Number of observations	4458
Arc length (days)	26348

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	288.934237
a – orbit major semiaxis (astronomical units)	2.39903400
e – orbit eccentricity	0.54431300
ω – orbit ascending node-perihelion angle (degrees)	87.919392
Ω – longitude of orbit ascending node (degrees)	189.040505
i – orbit inclination to the ecliptic plane (degrees)	18.069019

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	168.286803	2.39291530	0.54484783	79.783197	196.659903	18.285932	1.08914059	3.701618
01/21/1858	103.987179	2.39910394	0.54252891	81.510701	195.247731	18.209670	1.09752071	3.715987
01/29/1887	47.101142	2.39319095	0.54562703	81.899240	194.617771	18.205888	1.08740127	3.702258
02/07/1916	343.083564	2.39822055	0.54278842	83.654344	193.193833	18.153291	1.09649422	3.713935
02/14/1945	285.688190	2.39332350	0.54658367	84.056837	192.545488	18.139348	1.08517197	3.702565
02/22/1974	221.734274	2.39805944	0.54383736	85.829189	191.100398	18.100742	1.09390513	3.713561
03/02/2003	163.842030	2.39191183	0.54792911	86.233611	190.499137	18.091117	1.08131372	3.699290
03/09/2032	99.920700	2.39761233	0.54487261	87.966930	189.011680	18.072637	1.09121904	3.712522
03/17/2061	41.454442	2.39147474	0.54893302	88.365924	188.420169	18.070976	1.07871528	3.698276
03/25/2090	338.132935	2.39721156	0.54555155	90.153610	186.887674	18.065099	1.08940907	3.711591
04/03/2119	279.766294	2.39097915	0.54926792	90.583506	186.292870	18.066584	1.07769101	3.697126
04/10/2148	218.342393	2.39543771	0.54569394	92.398467	184.747596	18.076667	1.08826187	3.707472
04/18/2177	161.765870	2.38984569	0.54946202	92.815887	184.181656	18.083547	1.07671625	3.694498

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