Asteroid General Data

2018 SJ₁

General information

Preliminary designation	2018 SJ₁
Group	Apollo
Absolute magnitude	24.98
Approximate diameter (m)	27
Approximate mass (kg)	3.53·10⁷
Number of observations	36
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	263.985978
a – orbit major semiaxis (astronomical units)	1.23547100
e – orbit eccentricity	0.25544200
ω – orbit ascending node-perihelion angle (degrees)	232.898561
Ω – longitude of orbit ascending node (degrees)	175.483196
i – orbit inclination to the ecliptic plane (degrees)	26.600381

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	220.859479	1.23092964	0.25499244	233.401948	176.292759	26.575766	0.91705188	1.365685
01/21/1858	309.412447	1.23123306	0.25530840	233.493802	176.176604	26.573586	0.91688892	1.366190
01/29/1887	33.827599	1.23403663	0.25639974	233.181971	176.060097	26.560820	0.91762995	1.370859
02/07/1916	95.496241	1.23402382	0.25645245	233.331475	175.943291	26.558495	0.91755539	1.370837
02/14/1945	155.182466	1.23397429	0.25661472	233.444285	175.827608	26.556354	0.91731832	1.370755
02/22/1974	207.181544	1.23841075	0.25803878	232.872460	175.699003	26.542338	0.91885275	1.378154
03/02/2003	226.572740	1.23864301	0.25821205	232.973109	175.584491	26.538917	0.91881047	1.378542
03/09/2032	259.778569	1.23505308	0.25530655	232.969813	175.457499	26.601273	0.91973594	1.372553
03/17/2061	312.142528	1.23497837	0.25544559	233.117950	175.347904	26.599796	0.91950860	1.372428
03/25/2090	2.596734	1.23631959	0.25626558	233.090953	175.228018	26.588990	0.91949344	1.374665
04/03/2119	30.020112	1.23847054	0.25728334	232.937813	175.108144	26.574835	0.91983271	1.378254
04/10/2148	50.023799	1.23838995	0.25738213	233.058974	174.999150	26.574322	0.91965050	1.378119
04/18/2177	96.397346	1.23445168	0.25555006	233.574685	174.867842	26.602663	0.91898747	1.371550

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