|
|
 |
 |  |
|  |
 |
|  |
Asteroid General Data
General information
| Preliminary designation | 2004 MN4
| | Name | Apophis
| | Number | 99942
| | Group | Aten
| | Absolute magnitude | 19.01
| | Approximate diameter (m) | 420
| | Approximate mass (kg) | 1.35·1011
| | Number of observations | 9422
| | Arc length (days) | 6599
|
|
Approaches
Date | Object | r, AU | r, km
|
|---|
| 04/13/2029 09:50:24 PM | Earth | 0.000253 | 37 799
| | 04/14/2029 02:31:12 PM | Moon | 0.000646 | 96 624
|
|
|
Details...
|
|
Orbit initial data
| Date of initial data | 03/31/2024
| | M – mean anomaly (degrees) | 5.223165
| | a – orbit major semiaxis (astronomical units) | 0.92255214
| | e – orbit eccentricity | 0.19129073
| | ω – orbit ascending node-perihelion angle (degrees) | 126.683265
| | Ω – longitude of orbit ascending node (degrees) | 203.915350
| | i – orbit inclination to the ecliptic plane (degrees) | 3.339733
|
|
|
Details...
|
Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
|
|---|
| 01/13/1829 | 261.073106 | 0.92318311 | 0.19148497 | 121.184343 | 210.393592 | 3.239892 | 0.74640742 | 0.887018
| | 01/21/1858 | 160.446954 | 0.92360989 | 0.19150214 | 121.575098 | 209.511947 | 3.255159 | 0.74673661 | 0.887633
| | 01/29/1887 | 9.199483 | 0.92563782 | 0.19056379 | 121.653778 | 208.320514 | 3.290499 | 0.74924477 | 0.890558
| | 02/07/1916 | 205.704462 | 0.92775421 | 0.18975636 | 122.112267 | 207.342370 | 3.304026 | 0.75170695 | 0.893614
| | 02/14/1945 | 18.556982 | 0.92729860 | 0.18956887 | 123.081534 | 206.320140 | 3.307624 | 0.75151165 | 0.892956
| | 02/22/1974 | 217.484035 | 0.92578432 | 0.19016903 | 124.077807 | 205.359306 | 3.323077 | 0.74972881 | 0.890770
| | 03/02/2003 | 78.030176 | 0.92198019 | 0.19119259 | 126.152745 | 204.585307 | 3.333246 | 0.74570441 | 0.885285
| | 03/09/2032 | 129.187097 | 1.10409290 | 0.18938622 | 71.166156 | 203.545965 | 2.209996 | 0.89499292 | 1.160136
| | 03/17/2061 | 127.473607 | 1.10521241 | 0.18978220 | 71.587732 | 203.052792 | 2.218895 | 0.89546277 | 1.161901
| | 03/25/2090 | 139.549972 | 1.10376117 | 0.18934597 | 71.979294 | 202.568486 | 2.225669 | 0.89476844 | 1.159614
| | 04/03/2119 | 143.777659 | 1.10507194 | 0.18969960 | 72.262405 | 202.115893 | 2.231564 | 0.89544023 | 1.161680
| | 04/10/2148 | 134.884585 | 1.10609849 | 0.18989676 | 73.762394 | 200.923294 | 2.285145 | 0.89605398 | 1.163299
| | 04/18/2177 | 186.138697 | 1.09021844 | 0.18627890 | 78.160374 | 200.213820 | 2.126619 | 0.88713375 | 1.138337
|
|
|
Detailed table...
|
Graphs...
|
3D animation...
|
Calculation on the date...
|
Return to search
|  |
 |  |  | |  |
|
|
