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

2004 ET21

General information

Preliminary designation2004 ET21
GroupAmor
Absolute magnitude20.55
Approximate diameter (m)210
Approximate mass (kg)1.61·1010
Number of observations42
Arc length (days)2039

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)315.998085
a – orbit major semiaxis (astronomical units)1.63253000
e – orbit eccentricity0.32391800
ω – orbit ascending node-perihelion angle (degrees)248.158541
Ω – longitude of orbit ascending node (degrees)171.013530
i – orbit inclination to the ecliptic plane (degrees)41.610600
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182984.7242221.632416360.32025552247.917988171.91967141.6759311.109626002.085677
01/21/185853.7999441.632380890.32081407247.939386171.78360041.6680551.108690142.085609
01/29/188723.0478401.632387050.32131850247.963353171.65741841.6605981.107870892.085621
02/07/1916352.2584941.632451940.32189162247.986004171.51860941.6495161.106979342.085745
02/14/1945321.5286031.632426070.32232894248.035400171.38970441.6419061.106247912.085695
02/22/1974290.5057351.632555680.32294407248.073737171.24985041.6289141.105331502.085944
03/02/2003259.4498571.632546680.32345774248.126664171.12040541.6185851.104486822.085927
03/09/2032228.3662971.632485500.32406959248.154517170.98706641.6043981.103446592.085809
03/17/2061197.2384761.632572770.32468378248.199825170.85673341.5960351.102502872.085977
03/25/2090166.4452101.632448060.32524450248.211142170.72940141.5859881.101503302.085738
04/03/2119135.7374361.632485630.32585833248.239979170.59508541.5785511.100526592.085810
04/10/2148105.0451101.632537500.32633751248.271260170.46888441.5711461.099779282.085909
04/18/217774.1977931.632481850.32688450248.302745170.32808241.5614191.098848842.085802
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