Asteroid General Data

2025 SD₁

General information

Preliminary designation	2025 SD₁
Group	Amor
Absolute magnitude	26.21
Approximate diameter (m)	15
Approximate mass (kg)	6.46·10⁶
Number of observations	9
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	195.045492
a – orbit major semiaxis (astronomical units)	1.43440700
e – orbit eccentricity	0.28093400
ω – orbit ascending node-perihelion angle (degrees)	212.192217
Ω – longitude of orbit ascending node (degrees)	168.000514
i – orbit inclination to the ecliptic plane (degrees)	8.455807

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	205.635800	1.43486812	0.28028508	209.640756	169.381896	8.499983	1.03269600	1.718773
01/21/1858	161.822914	1.43549171	0.28076911	210.051412	169.159110	8.488516	1.03244998	1.719894
01/29/1887	120.246103	1.43530123	0.28089358	210.444689	168.939734	8.483377	1.03213433	1.719552
02/07/1916	75.101945	1.43503172	0.28072864	210.689301	168.783536	8.484187	1.03217721	1.719067
02/14/1945	31.021861	1.43565625	0.28116336	211.095744	168.565100	8.473088	1.03200232	1.720190
02/22/1974	346.124805	1.43424822	0.28057405	211.531932	168.361356	8.466166	1.03183540	1.717660
03/02/2003	304.286858	1.43517200	0.28097536	211.784387	168.186033	8.466647	1.03192403	1.719319
03/09/2032	262.312333	1.43456395	0.28084885	212.245099	167.974308	8.454447	1.03166832	1.718227
03/17/2061	219.499865	1.43506469	0.28113202	212.489434	167.811055	8.455672	1.03162206	1.719126
03/25/2090	177.586132	1.43502764	0.28140314	212.914322	167.597696	8.443421	1.03120636	1.719060
04/03/2119	132.384196	1.43527768	0.28147023	213.143675	167.438554	8.445303	1.03128974	1.719509
04/10/2148	92.027361	1.43519456	0.28171675	213.586810	167.209637	8.437001	1.03087621	1.719360
04/18/2177	48.716387	1.43486921	0.28145091	213.815353	167.058381	8.440267	1.03102396	1.718775

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