Asteroid General Data

2025 SD₃

General information

Preliminary designation	2025 SD₃
Group	Apollo
Absolute magnitude	22.15
Approximate diameter (m)	99
Approximate mass (kg)	1.76·10⁹
Number of observations	24
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	155.863914
a – orbit major semiaxis (astronomical units)	1.98531300
e – orbit eccentricity	0.61576300
ω – orbit ascending node-perihelion angle (degrees)	288.091030
Ω – longitude of orbit ascending node (degrees)	336.830895
i – orbit inclination to the ecliptic plane (degrees)	23.548627

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	312.708412	1.98572225	0.61947363	283.811974	341.398201	23.165566	0.75561968	2.798198
01/21/1858	82.918206	1.98811907	0.61740597	284.382356	340.810413	23.202380	0.76064249	2.803265
01/29/1887	213.716862	1.98652592	0.61798664	284.974862	340.109278	23.258400	0.75887943	2.799896
02/07/1916	342.307707	1.98774158	0.61676372	285.753724	339.379159	23.322815	0.76177469	2.802467
02/14/1945	112.589662	1.98781415	0.61614050	286.247414	338.770671	23.371894	0.76304135	2.802620
02/22/1974	240.467053	1.98744226	0.61652215	287.016081	338.027966	23.436710	0.76214009	2.801834
03/02/2003	10.006313	1.98797947	0.61472273	287.634123	337.348489	23.506524	0.76592331	2.802970
03/09/2032	140.033905	1.98632492	0.61568520	288.124802	336.779459	23.554042	0.76337406	2.799471
03/17/2061	271.036588	1.98676503	0.61401502	288.920686	335.970681	23.640216	0.76686147	2.800402
03/25/2090	44.990157	1.98548383	0.61394418	289.194458	335.570346	23.680801	0.76650760	2.797694
04/03/2119	177.553616	1.98569719	0.61307805	289.998664	334.778622	23.757532	0.76830982	2.798145
04/10/2148	312.934806	1.98573392	0.61176983	290.396142	334.295609	23.825438	0.77092182	2.798222
04/18/2177	86.426699	1.98526643	0.61205307	291.095575	333.611736	23.896768	0.77017802	2.797234

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