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

2009 HE21

General information

Preliminary designation2009 HE21
GroupApollo
Absolute magnitude24.51
Approximate diameter (m)33
Approximate mass (kg)6.76·107
Number of observations31
Arc length (days)8

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)225.459138
a – orbit major semiaxis (astronomical units)2.37506000
e – orbit eccentricity0.85761800
ω – orbit ascending node-perihelion angle (degrees)300.633595
Ω – longitude of orbit ascending node (degrees)32.437958
i – orbit inclination to the ecliptic plane (degrees)6.594430
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182942.3387572.395096530.85588733255.50571176.4226306.0245890.345163763.706680
01/21/1858337.9149822.388158050.85723586266.17389165.9764745.8412270.340943343.690585
01/29/1887293.7326412.393347490.85482353268.98901663.2986705.7940620.347457753.702621
02/07/1916236.9311692.384980070.85819493279.39129453.1057425.8587550.338202273.683221
02/14/1945195.7492862.392741240.85480890283.38167149.3359045.8982380.347404733.701214
02/22/1974147.6955792.379128450.85890172290.78847542.0405896.1395230.335690933.669674
03/02/2003110.0817282.390010360.85624755292.88886540.0208566.1846330.343569843.694880
03/09/203261.5735342.382183650.85876513301.04452732.0693066.6315080.336447413.676745
03/17/206112.9212432.395598420.85328442303.68979029.6066786.7536270.351471613.707846
03/25/2090326.3858972.382693760.85856402309.72323023.7518677.2783030.336998643.677926
04/03/2119272.9231172.397562190.85260159313.75423019.9666947.6195250.353396863.712406
04/10/2148225.6952992.384713900.85777600316.88426316.9924338.0275440.339163543.682604
04/18/2177169.2683092.395773860.85339936321.28127912.8448138.5945250.351221993.708253
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