Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Asteroid search
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

2021 ER

General information

Preliminary designation2021 ER
GroupAten
Absolute magnitude26.99
Approximate diameter (m)11
Approximate mass (kg)2.20·106
Number of observations95
Arc length (days)1830

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)254.131990
a – orbit major semiaxis (astronomical units)0.88251200
e – orbit eccentricity0.15722000
ω – orbit ascending node-perihelion angle (degrees)213.307769
Ω – longitude of orbit ascending node (degrees)161.643128
i – orbit inclination to the ecliptic plane (degrees)5.452379
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829200.9410130.895148750.15036015213.498870165.6354235.6935490.760554050.846922
01/21/1858296.3037790.894711620.15072331213.815453165.2889005.6955150.759857720.846302
01/29/188755.2422730.893865060.15009867214.174284164.9450615.7004000.759697100.845101
02/07/1916155.6320700.895304070.14869920214.827205164.5911755.7108480.762173080.847142
02/14/1945272.0640480.893642760.14720888215.422861164.2257155.7204000.762090610.844786
02/22/1974346.6436240.896189490.14550726216.944643163.5007165.7381040.765787410.848399
03/02/200361.5412210.894978110.14531603217.293891162.8377805.7195600.764923450.846680
03/09/2032230.7463140.881977150.15742286213.504085161.4708655.4540680.743133790.828298
03/17/2061291.2675340.877750560.15997638212.998184160.7676725.3719350.737331200.822351
03/25/209046.2015200.876077510.15970990213.705227160.0189765.3523990.736159260.820001
04/03/2119188.1818310.874387280.15546234214.890709159.4997235.3785640.738452980.817629
04/10/214813.8263120.874253040.15522356215.034025159.2926925.3802340.738548370.817441
04/18/2177161.6586840.876816660.15606488215.512487158.9231585.3827550.739976370.821039
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