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Asteroid General Data

2004 MN4 (99942 Apophis)

General information

Preliminary designation2004 MN4
NameApophis
Number99942
GroupAten
Absolute magnitude19.00
Approximate diameter (m)420
Approximate mass (kg)1.37·1011
Number of observations8094
Arc length (days)6276

Approaches

Date
Object
r, AU
r, km
04/13/2029 09:50:24 PMEarth0.00025337 890
04/14/2029 02:31:12 PMMoon0.00064496 407
Details...

Orbit initial data

Date of initial data05/01/2022
M – mean anomaly (degrees)306.861177
a – orbit major semiaxis (astronomical units)0.92267995
e – orbit eccentricity0.19142747
ω – orbit ascending node-perihelion angle (degrees)126.599215
Ω – longitude of orbit ascending node (degrees)203.960206
i – orbit inclination to the ecliptic plane (degrees)3.339132
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/182952.9071360.931262760.19054183118.422140210.7728052.9265200.753818250.898688
01/21/1858165.6891920.930976780.18999857118.793471209.9704102.9380910.754092520.898274
01/29/188710.3324330.925847580.19046020121.596785208.4120293.2967650.749510460.890861
02/07/1916205.5608930.927744290.18974102122.107333207.3454333.3040510.751713140.893600
02/14/194518.5398950.927290760.18957176123.083628206.3200313.3076310.751502620.892945
02/22/1974217.4895820.925784520.19016834124.077098205.3596703.3230790.749729610.890770
03/02/200378.0304520.921980180.19119254126.152684204.5853423.3332440.745704440.885285
03/09/2032129.5775051.103701990.1892633771.257374203.5463112.2148270.894811641.159520
03/17/2061128.7171351.105550670.1896903172.548089202.2417382.2670110.895838411.162435
03/25/2090121.8459031.105790000.1895694573.905528201.4080882.2990970.896166001.162812
04/03/2119112.6115321.103947880.1891177374.482563201.0145702.2982900.895171761.159908
04/10/2148107.3248821.104639430.1890730375.806114199.6791992.3591490.895781911.160998
04/18/217799.2472991.105397620.1892536976.205144199.1804952.3713340.896197041.162193
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