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

2018 PL21

General information

Preliminary designation2018 PL21
GroupApollo
Absolute magnitude23.36
Approximate diameter (m)57
Approximate mass (kg)3.31·108
Number of observations18
Arc length (days)6

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)133.397330
a – orbit major semiaxis (astronomical units)1.72225000
e – orbit eccentricity0.46510100
ω – orbit ascending node-perihelion angle (degrees)84.499250
Ω – longitude of orbit ascending node (degrees)317.739500
i – orbit inclination to the ecliptic plane (degrees)23.954774
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829255.6465731.731713000.4671382182.383907319.88434824.1326240.922763682.278843
01/21/1858161.0990531.731454980.4673322982.650526319.59702624.1217300.922290172.278334
01/29/188766.4862031.731524830.4674986682.892897319.30853524.1123210.922039292.278472
02/07/1916331.7555331.731451120.4676249083.236924318.95956324.1022000.921781472.278327
02/14/1945237.0120651.731279210.4676451783.512602318.66009624.0924680.921654852.277987
02/22/1974141.9285121.731616800.4675795683.846882318.31221024.0817030.921948182.278654
03/02/200347.2201891.731804200.4675946184.157766318.01098724.0728580.922021892.279023
03/09/2032312.2986631.731771520.4676561584.471657317.66039624.0605450.921897922.278959
03/17/2061217.4059211.731682840.4678105884.767213317.36209924.0521410.921583282.278784
03/25/2090122.5616411.731483790.4682447885.060316317.04560424.0406920.920725542.278391
04/03/211927.4576441.731311600.4680888885.366143316.71936924.0380490.920903902.278051
04/10/2148292.6887491.731358790.4683706685.671094316.39768324.0260280.920441132.278144
04/18/2177197.8937261.731535160.4680656685.961366316.07796124.0210110.921063022.278492
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