Asteroid General Data

2021 SH

General information

Preliminary designation	2021 SH
Group	Apollo
Absolute magnitude	27.30
Approximate diameter (m)	9
Approximate mass (kg)	1.43·10⁶
Number of observations	21
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	118.550609
a – orbit major semiaxis (astronomical units)	1.65651000
e – orbit eccentricity	0.39132800
ω – orbit ascending node-perihelion angle (degrees)	13.806652
Ω – longitude of orbit ascending node (degrees)	354.032763
i – orbit inclination to the ecliptic plane (degrees)	7.254032

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	243.045231	1.66261890	0.39205307	9.311454	355.826820	7.421298	1.01078406	2.143827
01/21/1858	99.254661	1.65705200	0.39048848	10.073061	355.563390	7.434913	1.00999229	2.133069
01/29/1887	316.239136	1.65702881	0.39084311	10.968698	355.294207	7.389893	1.00939052	2.133024
02/07/1916	174.246320	1.65709222	0.39097086	11.754252	355.025718	7.345513	1.00921744	2.133146
02/14/1945	40.876839	1.65779502	0.39164331	12.320928	354.679913	7.306870	1.00853070	2.134503
02/22/1974	255.200286	1.65759753	0.39150967	12.665140	354.493635	7.294813	1.00863208	2.134122
03/02/2003	107.105596	1.65799139	0.39141444	13.043906	354.267679	7.284153	1.00902962	2.134883
03/09/2032	324.480049	1.65567888	0.39092108	13.864870	353.985596	7.246463	1.00843911	2.130418
03/17/2061	187.443586	1.65546005	0.39107525	14.185383	353.804265	7.237342	1.00805060	2.129995
03/25/2090	40.376394	1.65883577	0.39228475	14.688111	353.499844	7.183161	1.00809979	2.136514
04/03/2119	249.472690	1.66046860	0.39283504	15.027593	353.275760	7.167643	1.00817835	2.139669
04/10/2148	103.724995	1.65543680	0.39173666	15.544696	353.040710	7.177308	1.00694151	2.129951
04/18/2177	326.125270	1.65577504	0.39169287	15.883930	352.832238	7.164896	1.00721977	2.130603

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