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

Asteroid General Data

2021 PH4

General information

Preliminary designation2021 PH4
GroupApollo
Absolute magnitude21.17
Approximate diameter (m)150
Approximate mass (kg)6.82·109
Number of observations93
Arc length (days)174

Approaches

No approaches found

Orbit initial data

Date of initial data06/09/2026
M – mean anomaly (degrees)12.536583
a – orbit major semiaxis (astronomical units)2.71544200
e – orbit eccentricity0.64942400
ω – orbit ascending node-perihelion angle (degrees)330.546858
Ω – longitude of orbit ascending node (degrees)58.103352
i – orbit inclination to the ecliptic plane (degrees)6.731008
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829207.1235142.711946690.65208929323.38177263.6519576.1954670.943515304.466037
01/21/185830.2413482.688241670.65986222324.95166062.3097896.3603370.914372544.407609
01/29/1887226.0449232.695710530.66083430325.96072361.3593116.4416410.914292544.425991
02/07/191666.5339912.706091980.65666121326.70857360.9652476.4655260.929106344.451583
02/14/1945259.5990552.706269350.65512776328.06310560.0025516.5580330.933317184.452020
02/22/197491.2801962.711675670.65176852329.29248159.0852066.6451030.944290824.465368
03/02/2003276.7570752.699142820.65743772329.95089558.5449176.7158150.924624534.434446
03/09/203293.8689032.701239700.65621259331.19067857.6373846.8056280.928652204.439615
03/17/2061273.6400232.717613000.64975944331.63877857.3126446.8102600.951818314.480041
03/25/209099.8753822.708168960.65242670332.84380156.4465506.9130800.941287214.456709
04/03/2119291.4909752.705062440.65450184334.14085555.5679647.0169160.934594104.449042
04/10/2148128.1890032.696305940.66045562335.18879154.8627187.1218560.915515524.427457
04/18/2177320.2516762.689424860.66179422335.81717954.3240047.1809770.909579044.410519
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