|
|
 |
 |  |
|  |
 |
|  |
Asteroid General Data
General information
| Preliminary designation | 2004 MN4
| | Name | Apophis
| | Number | 99942
| | Group | Aten
| | Absolute magnitude | 19.00
| | Approximate diameter (m) | 420
| | Approximate mass (kg) | 1.37·1011
| | Number of observations | 9420
| | Arc length (days) | 6599
|
|
Approaches
Date | Object | r, AU | r, km
|
|---|
| 04/13/2029 09:50:24 PM | Earth | 0.000254 | 37 974
| | 04/14/2029 02:31:12 PM | Moon | 0.000643 | 96 172
|
|
|
Details...
|
|
Orbit initial data
| Date of initial data | 11/21/2025
| | M – mean anomaly (degrees) | 312.805443
| | a – orbit major semiaxis (astronomical units) | 0.92238032
| | e – orbit eccentricity | 0.19116634
| | ω – orbit ascending node-perihelion angle (degrees) | 126.672866
| | Ω – longitude of orbit ascending node (degrees) | 203.899630
| | i – orbit inclination to the ecliptic plane (degrees) | 3.340955
|
|
|
Details...
|
Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
|
|---|
| 01/13/1829 | 24.332275 | 0.93026770 | 0.18983186 | 118.034760 | 210.904796 | 2.846076 | 0.75367325 | 0.897248
| | 01/21/1858 | 164.673904 | 0.92889073 | 0.19111962 | 119.319336 | 210.087150 | 2.873316 | 0.75136149 | 0.895257
| | 01/29/1887 | 10.104736 | 0.92580181 | 0.19048569 | 121.602296 | 208.397709 | 3.295702 | 0.74944982 | 0.890795
| | 02/07/1916 | 205.588511 | 0.92774620 | 0.18974406 | 122.108337 | 207.344836 | 3.304047 | 0.75171187 | 0.893603
| | 02/14/1945 | 18.543121 | 0.92729226 | 0.18957127 | 123.083293 | 206.320029 | 3.307631 | 0.75150428 | 0.892947
| | 02/22/1974 | 217.488476 | 0.92578448 | 0.19016854 | 124.077298 | 205.359579 | 3.323080 | 0.74972940 | 0.890770
| | 03/02/2003 | 78.030346 | 0.92198018 | 0.19119262 | 126.152759 | 204.585313 | 3.333246 | 0.74570438 | 0.885285
| | 03/09/2032 | 129.958916 | 1.10331968 | 0.18914945 | 71.348445 | 203.546432 | 2.217690 | 0.89462737 | 1.158918
| | 03/17/2061 | 148.718740 | 1.10302148 | 0.18910054 | 71.507030 | 202.878071 | 2.235596 | 0.89443953 | 1.158448
| | 03/25/2090 | 167.571694 | 1.10464190 | 0.18927262 | 73.254995 | 201.239893 | 2.310148 | 0.89556344 | 1.161002
| | 04/03/2119 | 162.422129 | 1.10509290 | 0.18943537 | 73.214867 | 200.876001 | 2.309786 | 0.89574922 | 1.161713
| | 04/10/2148 | 150.901131 | 1.10696545 | 0.18993950 | 73.051052 | 200.237119 | 2.316103 | 0.89670898 | 1.164667
| | 04/18/2177 | 141.471446 | 1.10427191 | 0.18916133 | 73.830633 | 199.598750 | 2.339224 | 0.89538637 | 1.160419
|
|
|
Detailed table...
|
Graphs...
|
3D animation...
|
Calculation on the date...
|
Return to search
|  |
 |  |  | |  |
|
|
