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 EN

General information

Preliminary designation2021 EN
GroupApollo
Absolute magnitude26.43
Approximate diameter (m)14
Approximate mass (kg)4.76·106
Number of observations25
Arc length (days)14

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)236.763217
a – orbit major semiaxis (astronomical units)1.10901100
e – orbit eccentricity0.18137600
ω – orbit ascending node-perihelion angle (degrees)299.079718
Ω – longitude of orbit ascending node (degrees)150.538796
i – orbit inclination to the ecliptic plane (degrees)4.178888
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182920.7510421.127567800.18908101300.170105154.0670924.0662390.914366141.197332
01/21/1858121.1409101.125945450.18838045300.715454153.7011894.0624900.913839331.194749
01/29/1887322.6176721.110988970.18200038297.466478153.2249434.2062300.908788561.171022
02/07/1916249.1816381.109825510.18172392298.120472152.6436314.1905760.908143661.169183
02/14/1945212.0190071.104822960.17980283296.829141151.7647574.2126890.906172671.161287
02/22/1974211.7586631.104219000.17957142296.914993151.4467014.2205850.905932831.160335
03/02/2003222.7335771.103916760.17953094297.526676150.8247844.2054970.905729551.159859
03/09/2032205.9887601.110394700.18194785299.325296150.4765694.1797270.908360781.170083
03/17/2061133.0796741.110278590.18194883299.639039150.3017584.1831750.908264691.169900
03/25/209078.0751751.108945840.18173526300.216598149.0241724.1543680.907411281.167794
04/03/211936.4547191.107358730.18089423299.680596148.3047874.1693520.907043931.165288
04/10/21485.1638921.106007320.18064664300.528942147.2376344.1350520.906210821.163155
04/18/2177346.4192931.107123340.18100801300.969531147.0572384.1365320.906725141.164916
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