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
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Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation

Asteroid General Data

2009 HJ21

General information

Preliminary designation2009 HJ21
GroupApollo
Absolute magnitude27.56
Approximate diameter (m)8
Approximate mass (kg)10.00·105
Number of observations19
Arc length (days)1

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)87.954001
a – orbit major semiaxis (astronomical units)1.61912200
e – orbit eccentricity0.64546600
ω – orbit ascending node-perihelion angle (degrees)277.957966
Ω – longitude of orbit ascending node (degrees)30.428783
i – orbit inclination to the ecliptic plane (degrees)3.011158
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829144.5646821.607360650.64347404274.20397734.4190373.3925230.573065802.037842
01/21/1858205.9870501.616553370.64427998274.40191133.9616613.4132690.575040392.055350
01/29/1887250.0186891.616457530.64437597275.06903833.4148723.4034700.574851142.055167
02/07/1916299.2091261.615305490.64440217275.66875532.8454233.3549000.574399132.052970
02/14/1945333.7443041.618417320.64461613276.29182032.2015843.3491790.575159412.058905
02/22/19740.6878831.619245060.64520825276.79771631.6051013.3044490.574494792.060485
03/02/2003353.9811501.630325180.64673571277.20678030.8000443.1246000.575935662.081670
03/09/203212.3548511.619079070.64522856278.13030330.2937563.0119020.574403022.060168
03/17/206141.6353661.619420240.64523492278.63724429.8108963.0018300.574513742.060820
03/25/209070.0602311.618694560.64498216279.31504629.1789302.9912070.574665452.059434
04/03/2119104.3687631.618534680.64525533279.87408428.6811072.9857690.574166562.059129
04/10/2148147.5284231.615652200.64477310280.75136627.8721932.9536650.573923132.053631
04/18/2177194.4805271.615207460.64490879281.27870127.3800082.9520870.573545972.052783
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