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 ET

General information

Preliminary designation2021 ET
GroupApollo
Absolute magnitude21.52
Approximate diameter (m)130
Approximate mass (kg)4.21·109
Number of observations193
Arc length (days)1434

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)203.238989
a – orbit major semiaxis (astronomical units)1.01662700
e – orbit eccentricity0.26665600
ω – orbit ascending node-perihelion angle (degrees)233.267241
Ω – longitude of orbit ascending node (degrees)132.306184
i – orbit inclination to the ecliptic plane (degrees)28.742346
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182933.2772871.017195090.26662411233.079484132.90591228.6574100.745986361.025905
01/21/1858136.3288881.017301580.26685773233.136821132.82317828.6570700.745826791.026066
01/29/1887237.6993321.017391590.26695114233.146860132.72954328.6546990.745797751.026202
02/07/1916338.9311981.017192030.26687640233.169773132.63266928.6583500.745727481.025900
02/14/194583.6382331.017075470.26662972233.180554132.53250928.6610030.745892921.025724
02/22/1974192.8730071.016753070.26650336233.272552132.45198228.6597310.745784961.025236
03/02/2003307.2554731.016297620.26629648233.285477132.35124728.6646380.745661151.024547
03/09/203264.2392361.016283160.26610263233.321213132.24863128.6650900.745847541.024525
03/17/2061182.5985741.016210780.26621890233.367038132.16441428.6649940.745676271.024416
03/25/2090299.4487951.016440830.26637270233.393784132.06744628.6618990.745688751.024764
04/03/211951.2795781.016777880.26658074233.424015131.96653728.6628650.745724491.025274
04/10/2148158.5427811.017118430.26679358233.405639131.86531328.6618910.745757771.025789
04/18/2177261.1528901.017461830.26703334233.497549131.78525328.6584140.745765601.026308
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