Asteroid General Data

1987 QB (26817)

General information

Preliminary designation	1987 QB
Number	26817
Group	Amor
Absolute magnitude	19.49
Approximate diameter (m)	340
Approximate mass (kg)	6.95·10¹⁰
Number of observations	104
Arc length (days)	12226

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	123.459861
a – orbit major semiaxis (astronomical units)	2.81129200
e – orbit eccentricity	0.59249100
ω – orbit ascending node-perihelion angle (degrees)	156.988225
Ω – longitude of orbit ascending node (degrees)	152.975548
i – orbit inclination to the ecliptic plane (degrees)	3.506205

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	249.233734	2.82243329	0.58817719	152.061180	157.216154	3.176994	1.16234241	4.741723
01/21/1858	276.395054	2.83924237	0.58148239	152.927515	156.557595	3.216978	1.18827293	4.784145
01/29/1887	291.401779	2.85339235	0.57546507	153.492808	156.009140	3.248872	1.21136473	4.819954
02/07/1916	308.853333	2.84591285	0.57837767	153.946244	155.553723	3.284014	1.19990041	4.801014
02/14/1945	345.772672	2.80787565	0.59286299	155.398323	154.342921	3.407734	1.14319011	4.705084
02/22/1974	48.143454	2.79464982	0.59752751	155.863525	153.858865	3.451657	1.12476967	4.671880
03/02/2003	119.586843	2.80193140	0.59601118	156.440420	153.415144	3.479412	1.13194897	4.690151
03/09/2032	179.270138	2.82213511	0.58635671	157.190140	152.755945	3.522673	1.16735724	4.740971
03/17/2061	220.632502	2.83200496	0.57959487	157.990516	152.124870	3.569832	1.19058940	4.765864
03/25/2090	244.297676	2.83952936	0.57567780	158.566607	151.673402	3.604997	1.20487534	4.784870
04/03/2119	260.853561	2.84259371	0.57377391	158.978450	151.316724	3.632089	1.21158760	4.792618
04/10/2148	283.591822	2.83833000	0.57478745	159.393802	150.853964	3.672789	1.20689354	4.781839
04/18/2177	321.496105	2.82527928	0.58070037	160.171721	150.205628	3.727266	1.18463856	4.748896

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