Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Summary information
Asteroids selection
Closest approaches
Approaches archive
Diagram 2D
Histogram
Impact probability
Potential hazardous
Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation

Asteroid General Data

2025 SY21

General information

Preliminary designation2025 SY21
GroupApollo
Absolute magnitude26.88
Approximate diameter (m)11
Approximate mass (kg)2.56·106
Number of observations22
Arc length (days)1

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)67.798465
a – orbit major semiaxis (astronomical units)2.06107500
e – orbit eccentricity0.71382800
ω – orbit ascending node-perihelion angle (degrees)242.395022
Ω – longitude of orbit ascending node (degrees)215.106304
i – orbit inclination to the ecliptic plane (degrees)1.357322
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829178.4331162.069011860.70474920237.244943220.4430431.2586600.610877402.976083
01/21/185894.0678012.065039750.70647095237.660281220.0386601.2641090.606149162.967517
01/29/188716.9225732.063812630.70815450238.145778219.5516421.2657380.602314432.964872
02/07/1916305.5286602.061876540.71100219238.498765219.1589911.2713590.595877812.960701
02/14/1945236.7957362.060629420.71235751239.151298218.5133471.2743130.592724572.958016
02/22/1974172.7369802.057207280.71395859239.616926218.0174271.2857680.588446482.950650
03/02/2003111.4327842.058131060.71403224240.179514217.4218671.2849720.588559132.952638
03/09/203247.3349472.059895180.71429249242.420991215.0742861.3586110.588527532.956435
03/17/2061335.2903922.063097860.71269946243.246182214.1953701.3549580.592729122.963332
03/25/2090256.2988752.068123630.71240428244.278497213.1634731.3628430.594783512.974167
04/03/2119164.3205142.075209200.71143552245.193244212.0374321.3760290.598831672.989465
04/10/214864.4897152.073888890.71151271245.780336211.4684801.3778990.598290582.986612
04/18/2177326.7950312.071232420.71365353246.277048210.9335071.3803880.593090092.980876
Detailed table... Graphs... 3D animation... Calculation on the date...

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This project was supported by the Federal Agency of Education (project codes RNP 2.1.1.1689, RNP 2.1.1.745).
Samara State Technical University
Applied Mathematics and Information Science Department
Яндекс.Метрика