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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Approaches archive
Diagram 2D
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Asteroid information
General data
Initial data
Approaches
Asteroid orbit evolution
Tables
Graphs
3D animation
Calculation

Asteroid General Data

2021 PW4

General information

Preliminary designation2021 PW4
GroupApollo
Absolute magnitude24.88
Approximate diameter (m)28
Approximate mass (kg)4.05·107
Number of observations84
Arc length (days)34

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)118.422157
a – orbit major semiaxis (astronomical units)1.64190000
e – orbit eccentricity0.38563600
ω – orbit ascending node-perihelion angle (degrees)99.834831
Ω – longitude of orbit ascending node (degrees)188.380389
i – orbit inclination to the ecliptic plane (degrees)1.197538
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829118.7140281.640866360.3846671791.713457195.0410431.1477671.009678952.101892
01/21/185846.8118541.641258010.3846717492.253012194.6592391.1513601.009912442.102645
01/29/1887343.2478991.638058500.3837247893.949200193.2414071.1491601.009494862.096499
02/07/1916286.2773881.638068440.3837596094.425694192.9151791.1527931.009443942.096518
02/14/1945213.0510881.641835110.3852195396.807783190.8294511.1734031.009368162.103754
02/22/1974144.6303551.639765080.3846177897.521457190.2852401.1756731.009082272.099776
03/02/200386.6759731.638273050.3845087698.289453189.7266121.1808851.008342722.096911
03/09/203222.0551851.641907660.3854264899.948422188.2977471.1987351.009072972.103893
03/17/2061307.3519461.641653770.38574262100.424356187.9761071.2029911.008397942.103405
03/25/2090247.2233621.637610160.38408614103.637059185.0193891.2001981.008626802.095639
04/03/2119190.3336131.638303520.38458786104.072444184.7142601.2052011.008231882.096970
04/10/2148132.6070091.636993830.38382715107.737816181.1211771.2398421.008671162.094456
04/18/217776.2858271.640386390.38494045108.587629180.4951901.2511571.008935312.100970
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