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 ER4

General information

Preliminary designation2021 ER4
GroupAten
Absolute magnitude27.10
Approximate diameter (m)10
Approximate mass (kg)1.89·106
Number of observations19
Arc length (days)3

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)277.159277
a – orbit major semiaxis (astronomical units)0.86360900
e – orbit eccentricity0.45962600
ω – orbit ascending node-perihelion angle (degrees)43.493682
Ω – longitude of orbit ascending node (degrees)353.946952
i – orbit inclination to the ecliptic plane (degrees)1.956441
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829272.1597650.857384980.4626097038.804171358.4647861.6804010.460750370.793897
01/21/1858117.7298700.858851310.4618746839.681930357.6178401.9034310.462169630.795935
01/29/1887277.3192630.859438790.4620210839.531565357.5874061.8920440.462359950.796752
02/07/191675.6688930.858570850.4621380540.208680356.8354071.8652300.461792590.795545
02/14/1945242.2874790.859505170.4617020641.441750355.6415051.8619200.462669860.796844
02/22/197441.9046920.859000060.4615604041.261081355.6504611.8442570.462519650.796142
03/02/2003210.7549630.858569660.4614482841.921806354.8792971.8279040.462384160.795543
03/09/2032337.7922300.862638430.4596554042.995319354.6025711.9343610.466122020.801205
03/17/206156.7436450.863093720.4596599445.586894351.9848771.9132650.466364110.801840
03/25/2090112.6463020.863706350.4598426045.505959351.9375951.8997210.466537380.802694
04/03/211994.7361710.868996410.4575333246.352041351.9785901.9750490.471401600.810079
04/10/2148351.0795680.872051870.4564876947.283510351.4710131.9615790.473970930.814356
04/18/2177222.2122530.872415030.4564384847.536996351.2029591.9498300.474211240.814864
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