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

2004 ER21

General information

Preliminary designation2004 ER21
GroupAten
Absolute magnitude24.29
Approximate diameter (m)37
Approximate mass (kg)9.16·107
Number of observations70
Arc length (days)11

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)218.969835
a – orbit major semiaxis (astronomical units)0.89903500
e – orbit eccentricity0.17096900
ω – orbit ascending node-perihelion angle (degrees)343.534360
Ω – longitude of orbit ascending node (degrees)357.244862
i – orbit inclination to the ecliptic plane (degrees)7.946397
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829333.4264430.906988120.17139902339.5280200.3372708.1364770.751531240.863780
01/21/1858227.5708610.903809680.16823069340.270106359.8143558.1345880.751761160.859243
01/29/1887154.5043750.903509820.17011686340.685749359.5497408.1117690.749807570.858816
02/07/1916123.7997300.900356750.17137709341.380326359.0455938.0389210.746056240.854324
02/14/1945109.6556800.900357290.16995966341.630281358.5847688.0454180.747332870.854325
02/22/1974109.8637410.900064450.17067050342.482089358.1214298.0045710.746450000.853908
03/02/2003120.4028470.898977620.17028149343.286297357.5796257.9731010.745898370.852362
03/09/2032124.5238830.900610540.17193847343.900930357.1068017.9307440.745760940.854685
03/17/2061108.2086570.900331230.17273207343.967390356.6643117.9017740.744815150.854288
03/25/209087.6552700.900788880.17156751344.410121356.1853607.9079970.746242770.854939
04/03/211963.2722210.899800270.17316783344.974815355.6336087.8401290.743983810.853532
04/10/214854.6917200.900352660.17313320345.140550355.1123067.8178380.744471720.854318
04/18/217742.4077820.901369440.17394559345.541141354.8027367.8068220.744580210.855766
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