Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Summary information
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Diagram 2D
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Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
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3D animation
Calculation

Asteroid General Data

2009 HF21

General information

Preliminary designation2009 HF21
GroupApollo
Absolute magnitude26.23
Approximate diameter (m)15
Approximate mass (kg)6.28·106
Number of observations47
Arc length (days)2

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)282.697647
a – orbit major semiaxis (astronomical units)2.33906600
e – orbit eccentricity0.56943400
ω – orbit ascending node-perihelion angle (degrees)188.646070
Ω – longitude of orbit ascending node (degrees)34.690752
i – orbit inclination to the ecliptic plane (degrees)4.263715
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182912.3599262.352409750.57201792182.75952237.5822404.6451121.006789233.608029
01/21/185818.7219732.352291490.57224814183.73903437.1695054.5826821.006197053.607757
01/29/188730.5483052.349030280.57128718184.85805936.7248424.5168851.007059393.600257
02/07/191652.8177892.352754650.57142617184.98657236.5135874.5010171.008329083.608823
02/14/194562.4696622.351345080.57154519185.93840336.0569304.4327811.007445123.605580
02/22/197479.9326632.349149720.57228275187.32545535.3955694.3405791.004771853.600532
03/02/2003103.7917012.349896690.56824284188.42310034.8748374.2567071.014584723.602249
03/09/2032141.1929622.338526280.56942314188.71519934.6574214.2616211.006915313.576136
03/17/2061167.2954122.344748770.57018466189.85522634.0061314.1764301.007808993.590419
03/25/2090191.9330382.340270800.57021270190.93826833.4926924.1122381.005818673.580138
04/03/2119227.8594912.346179650.57081047191.78838933.0463574.0365561.006955743.593706
04/10/2148268.4809832.339300750.57106860192.24782432.6539674.0109101.003399553.577912
04/18/2177300.8395592.339697320.57266022193.57656531.9711513.9184160.999845743.578822
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