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Asteroid General Data

2004 MN4 (99942 Apophis)

General information

Preliminary designation2004 MN4
NameApophis
Number99942
GroupAten
Absolute magnitude18.94
Approximate diameter (m)430
Approximate mass (kg)1.49·1011
Number of observations7897
Arc length (days)6267

Approaches

Date
Object
r, AU
r, km
04/13/2029 09:50:24 PMEarth0.00025438 006
04/14/2029 02:32:38 PMMoon0.00064396 117
Details...

Orbit initial data

Date of initial data10/13/2021
M – mean anomaly (degrees)84.455450
a – orbit major semiaxis (astronomical units)0.92267423
e – orbit eccentricity0.19140405
ω – orbit ascending node-perihelion angle (degrees)126.588564
Ω – longitude of orbit ascending node (degrees)203.963260
i – orbit inclination to the ecliptic plane (degrees)3.338926
Details...

Orbital evolution

Date
M
a
e
ω
Ω
i
q
P
01/13/1829214.8857140.918270770.19407696121.903100210.7343403.1643730.740055580.879947
01/21/1858160.1029580.921958020.19254954122.071938209.6148293.2253840.744435420.885253
01/29/188710.9484910.925973610.19038338121.594747208.4398683.2991010.749683630.891043
02/07/1916205.4866980.927739210.18973311122.104851207.3469223.3040710.751716370.893592
02/14/194518.5311890.927286750.18957330123.084701206.3199683.3076360.751497940.892939
02/22/1974217.4924600.925784620.19016806124.076735205.3598533.3230820.749729960.890770
03/02/200378.0306020.921980170.19119259126.152656204.5853543.3332450.745704400.885285
03/09/2032130.0831031.103195870.1891071171.376406203.5466642.2203490.894573691.158723
03/17/2061148.2994661.103229840.1891666271.421703203.0028222.2311840.894535581.158776
03/25/2090145.8237141.104847520.1893969772.707416201.7768542.2778570.895592751.161326
04/03/2119137.2908071.105361190.1894811973.101784201.2466412.2896490.895916041.162136
04/10/2148129.0187331.106029080.1896110974.465559200.4345352.3110750.896313711.163189
04/18/2177113.2942811.103707510.1889760574.910371199.9018652.3067370.895133221.159529
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