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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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 SP4

General information

Preliminary designation2021 SP4
GroupApollo
Absolute magnitude20.91
Approximate diameter (m)170
Approximate mass (kg)9.77·109
Number of observations167
Arc length (days)6093

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)164.428662
a – orbit major semiaxis (astronomical units)1.46757100
e – orbit eccentricity0.40510800
ω – orbit ascending node-perihelion angle (degrees)324.990050
Ω – longitude of orbit ascending node (degrees)161.312257
i – orbit inclination to the ecliptic plane (degrees)9.915547
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829162.6215201.467057060.40555951322.869308162.7727009.8240990.872078111.776933
01/21/1858280.6857341.467788770.40562600323.235683162.5575489.8331180.872415481.778263
01/29/188735.3804831.468164020.40560135323.584754162.3593749.8413850.872674711.778945
02/07/1916148.8948691.467768480.40560876323.948572162.1270939.8579960.872428721.778226
02/14/1945262.3955481.467890200.40542397324.237759161.9063859.8701160.872772321.778447
02/22/197416.8207171.467810320.40560116324.553781161.6734129.8883630.872464761.778302
03/02/2003132.4535621.467655900.40521170324.784222161.4920589.9012750.872944561.778021
03/09/2032248.6195601.467403310.40531445325.041727161.2730569.9185590.872643551.777562
03/17/20615.6787791.467323690.40499123325.268467161.0746869.9344290.873070471.777418
03/25/2090123.7015061.467187510.40476650325.516908160.8699769.9480340.873319161.777170
04/03/2119242.3943471.466998080.40470669325.819443160.6428519.9651420.873294141.776826
04/10/21481.4884151.467173950.40448149326.090314160.4626949.9767060.873729241.777146
04/18/2177120.8521581.467138440.40451702326.454641160.2299049.9917570.873655971.777081
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