Asteroid General Data

2017 SQ₂₁

General information

Preliminary designation	2017 SQ₂₁
Group	Amor
Absolute magnitude	20.16
Approximate diameter (m)	250
Approximate mass (kg)	2.75·10¹⁰
Number of observations	58
Arc length (days)	4033

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	187.123858
a – orbit major semiaxis (astronomical units)	2.38733500
e – orbit eccentricity	0.49431100
ω – orbit ascending node-perihelion angle (degrees)	150.768950
Ω – longitude of orbit ascending node (degrees)	152.726473
i – orbit inclination to the ecliptic plane (degrees)	8.690992

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	261.687061	2.38208728	0.49647034	145.190840	156.502888	8.242249	1.19945159	3.676522
01/21/1858	227.116331	2.37902585	0.49840397	145.372458	156.152720	8.269712	1.19330993	3.669436
01/29/1887	185.309151	2.37973922	0.49807385	147.001127	155.252306	8.391076	1.19445335	3.671087
02/07/1916	152.600437	2.37922270	0.49647089	147.101061	155.019431	8.402259	1.19800789	3.669892
02/14/1945	113.380177	2.37766160	0.49894620	148.625533	154.135537	8.526306	1.19133637	3.666280
02/22/1974	78.548613	2.38310104	0.49470655	148.899844	153.897114	8.540856	1.20416534	3.678869
03/02/2003	40.024263	2.37789807	0.49941014	150.114986	153.103897	8.656195	1.19035166	3.666827
03/09/2032	2.096581	2.38367704	0.49443127	151.020917	152.663789	8.715427	1.20511258	3.680203
03/17/2061	327.839351	2.37727239	0.49844476	151.560519	152.139592	8.779637	1.19233342	3.665380
03/25/2090	290.768145	2.37901262	0.49651033	152.929496	151.485529	8.881064	1.19780827	3.669406
04/03/2119	259.536733	2.37902302	0.49719926	153.024288	151.216728	8.898459	1.19617453	3.669430
04/10/2148	218.565723	2.37887787	0.49844091	154.494750	150.468866	9.020022	1.19314781	3.669094
04/18/2177	184.268526	2.38178821	0.49559024	154.581672	150.287760	9.022068	1.20139721	3.675829

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