Asteroid General Data

1998 SJ₂ (480817)

General information

Preliminary designation	1998 SJ₂
Number	480817
Group	Amor
Absolute magnitude	18.25
Approximate diameter (m)	590
Approximate mass (kg)	3.85·10¹¹
Number of observations	179
Arc length (days)	9235

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	320.967167
a – orbit major semiaxis (astronomical units)	2.32881500
e – orbit eccentricity	0.50216000
ω – orbit ascending node-perihelion angle (degrees)	332.854322
Ω – longitude of orbit ascending node (degrees)	8.660821
i – orbit inclination to the ecliptic plane (degrees)	10.392080

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	120.296068	2.33115748	0.50086108	328.330750	11.522948	10.126739	1.16357143	3.559246
01/21/1858	177.592686	2.33050657	0.50075308	328.598870	11.225338	10.138670	1.16349822	3.557756
01/29/1887	234.298221	2.33092013	0.50090458	329.428198	10.720125	10.195184	1.16335157	3.558703
02/07/1916	290.359821	2.32917042	0.50235662	330.340075	10.209409	10.250379	1.15909625	3.554696
02/14/1945	345.995938	2.32900039	0.50260721	331.206804	9.726844	10.301426	1.15842800	3.554307
02/22/1974	41.792787	2.33070874	0.50095036	331.881339	9.373116	10.330780	1.16313935	3.558219
03/02/2003	98.435519	2.33275267	0.49965213	332.223497	9.067810	10.332057	1.16718783	3.562900
03/09/2032	154.929558	2.33057739	0.49982949	332.946391	8.616261	10.377967	1.16568609	3.557918
03/17/2061	212.172497	2.32764440	0.50196809	333.714400	8.172312	10.438519	1.15924119	3.551204
03/25/2090	269.886478	2.32782968	0.50186044	334.513279	7.740375	10.483868	1.15958405	3.551628
04/03/2119	328.140788	2.32929327	0.50050337	335.340393	7.374780	10.513846	1.16347413	3.554978
04/10/2148	27.989065	2.32825517	0.50069825	336.129124	6.929160	10.556481	1.16250188	3.552601
04/18/2177	90.076938	2.32841765	0.49958815	336.361727	6.681127	10.554473	1.16516779	3.552973

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