Asteroid General Data

1998 SR₄₉ (306431)

General information

Preliminary designation	1998 SR₄₉
Number	306431
Group	Amor
Absolute magnitude	17.48
Approximate diameter (m)	850
Approximate mass (kg)	1.12·10¹²
Number of observations	134
Arc length (days)	10031

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	45.726110
a – orbit major semiaxis (astronomical units)	2.48160500
e – orbit eccentricity	0.53224400
ω – orbit ascending node-perihelion angle (degrees)	54.764528
Ω – longitude of orbit ascending node (degrees)	21.150199
i – orbit inclination to the ecliptic plane (degrees)	29.119088

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	185.496377	2.49689916	0.51147633	53.645769	23.466785	29.565202	1.21979433	3.945501
01/21/1858	320.230911	2.48793454	0.51949543	54.301995	22.925275	29.432522	1.19546391	3.924271
01/29/1887	105.583742	2.48424353	0.52560440	54.682142	22.540362	29.328191	1.17851420	3.915542
02/07/1916	262.397670	2.47517454	0.53279701	54.736829	22.270653	29.284433	1.15640893	3.894120
02/14/1945	66.257558	2.47431445	0.53560444	54.687077	22.080626	29.265879	1.14906065	3.892091
02/22/1974	232.913688	2.47357881	0.53653241	54.450156	21.913227	29.249527	1.14642360	3.890355
03/02/2003	35.112834	2.47754398	0.53492501	54.534209	21.566092	29.200837	1.15224375	3.899713
03/09/2032	189.922651	2.48404968	0.53102143	54.830110	21.067842	29.067642	1.16496606	3.915083
03/17/2061	333.528712	2.48933270	0.52773049	55.578563	20.271200	28.916045	1.17563594	3.927580
03/25/2090	107.408872	2.49665486	0.52413654	56.385982	19.517876	28.718554	1.18806683	3.944922
04/03/2119	230.601831	2.50222730	0.52076930	57.616380	18.395025	28.469749	1.19914414	3.958136
04/10/2148	345.286631	2.50741129	0.51758447	58.486293	17.580064	28.297074	1.20961415	3.970443
04/18/2177	90.101992	2.51551046	0.51252353	59.519511	16.580753	28.100461	1.22625216	3.989696

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