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

2021 DD

General information

Preliminary designation2021 DD
GroupApollo
Absolute magnitude23.01
Approximate diameter (m)66
Approximate mass (kg)5.37·108
Number of observations39
Arc length (days)24

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)184.925718
a – orbit major semiaxis (astronomical units)1.68654500
e – orbit eccentricity0.44085300
ω – orbit ascending node-perihelion angle (degrees)100.450082
Ω – longitude of orbit ascending node (degrees)336.738289
i – orbit inclination to the ecliptic plane (degrees)24.170925
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829109.2008691.685651770.4421174198.500263338.68843624.0819600.940395772.188530
01/21/1858203.8225491.685318290.4418626898.814675338.37283424.0946810.940639042.187880
01/29/1887298.4863921.685307980.4416355299.050873338.11646524.1038610.941016112.187860
02/07/191633.1733151.685487150.4412888899.370180337.80316424.1148190.941700412.188209
02/14/1945127.9520161.685389280.4412333999.645750337.53735724.1242830.941739252.188018
02/22/1974222.8437201.685229810.4410210499.954465337.23080424.1346120.942008012.187708
03/02/2003317.2637961.685371730.44067561100.228002336.96252224.1442300.942669522.187984
03/09/203251.6622521.685224300.44075998100.527524336.66110824.1538130.942444872.187697
03/17/2061146.2007351.685475050.44035774100.771253336.39663524.1632650.943263072.188185
03/25/2090240.9628441.685369410.44026117101.066241336.10340124.1720430.943366702.187980
04/03/2119335.8187751.685291000.43991700101.307207335.83678624.1869140.943902852.187827
04/10/214870.5742321.685434330.43940704101.563396335.58202324.1957120.944842632.188106
04/18/2177165.2027241.685349210.43914597101.864721335.27315424.2104130.945234902.187940
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