Asteroid General Data

2025 SD₁₅

General information

Preliminary designation	2025 SD₁₅
Group	Apollo
Absolute magnitude	25.44
Approximate diameter (m)	22
Approximate mass (kg)	1.87·10⁷
Number of observations	44
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	257.366889
a – orbit major semiaxis (astronomical units)	1.27435000
e – orbit eccentricity	0.21209900
ω – orbit ascending node-perihelion angle (degrees)	339.762679
Ω – longitude of orbit ascending node (degrees)	1.409279
i – orbit inclination to the ecliptic plane (degrees)	28.582545

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	68.063621	1.27337992	0.21237018	338.395294	2.108224	28.583194	1.00295200	1.436937
01/21/1858	139.464519	1.27318823	0.21224002	338.544279	2.007858	28.583975	1.00296674	1.436612
01/29/1887	208.032107	1.27371620	0.21233162	338.756936	1.908446	28.582971	1.00326597	1.437506
02/07/1916	271.035694	1.27442142	0.21269515	338.995864	1.803157	28.579577	1.00335816	1.438700
02/14/1945	333.054692	1.27436447	0.21262312	339.124652	1.702628	28.581470	1.00340512	1.438603
02/22/1974	41.240275	1.27293176	0.21159596	339.207662	1.597513	28.588495	1.00358454	1.436178
03/02/2003	115.745990	1.27302326	0.21140567	339.379270	1.495889	28.586052	1.00389892	1.436333
03/09/2032	187.584485	1.27434015	0.21197183	339.796978	1.393491	28.581189	1.00421594	1.438562
03/17/2061	248.675955	1.27472091	0.21213681	339.970292	1.296383	28.579760	1.00430568	1.439207
03/25/2090	310.681699	1.27355882	0.21126256	340.104845	1.192044	28.588016	1.00450352	1.437239
04/03/2119	21.996884	1.27295259	0.21082838	340.252587	1.093808	28.592114	1.00457806	1.436213
04/10/2148	97.320833	1.27285699	0.21067519	340.424790	0.992505	28.593300	1.00469761	1.436052
04/18/2177	178.035262	1.27156332	0.20968018	340.580620	0.888282	28.602228	1.00494170	1.433863

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