|
|
 |
 |  |
|  |
 |
|  |
Asteroid General Data
General information
| Preliminary designation | 2021 SP
| | Group | Apollo
| | Absolute magnitude | 29.22
| | Approximate diameter (m) | 4
| | Approximate mass (kg) | 1.01·105
| | Number of observations | 9
| | Arc length (days) | 2
|
|
Approaches
Date | Object | r, AU | r, km
|
|---|
| 09/17/2021 11:45:36 AM | Earth | 0.000093 | 13 920
|
|
|
Details...
|
|
Orbit initial data
| Date of initial data | 07/09/2024
| | M – mean anomaly (degrees) | 187.513437
| | a – orbit major semiaxis (astronomical units) | 1.45526013
| | e – orbit eccentricity | 0.46214653
| | ω – orbit ascending node-perihelion angle (degrees) | 252.438603
| | Ω – longitude of orbit ascending node (degrees) | 174.540395
| | i – orbit inclination to the ecliptic plane (degrees) | 4.817972
|
|
|
Details...
|
Orbital evolution
Date | M | a | e | ω | Ω | i | q | P
|
|---|
| 01/13/1829 | 234.106707 | 1.14314066 | 0.42001509 | 93.484675 | 359.377569 | 0.354461 | 0.66300433 | 1.222222
| | 01/21/1858 | 140.849734 | 1.14264660 | 0.41959483 | 94.509285 | 358.114381 | 0.295673 | 0.66319800 | 1.221430
| | 01/29/1887 | 51.663492 | 1.14319670 | 0.41963262 | 94.091255 | 358.490361 | 0.290982 | 0.66347407 | 1.222312
| | 02/07/1916 | 319.280219 | 1.14344690 | 0.41958984 | 94.042577 | 358.520180 | 0.287475 | 0.66366820 | 1.222713
| | 02/14/1945 | 202.569122 | 1.14440171 | 0.41933451 | 98.362083 | 354.033802 | 0.182752 | 0.66451457 | 1.224245
| | 02/22/1974 | 57.900423 | 1.15001994 | 0.41955531 | 99.422878 | 353.063566 | 0.173011 | 0.66752297 | 1.233271
| | 03/02/2003 | 272.350515 | 1.14702574 | 0.41877939 | 99.862568 | 352.841476 | 0.167343 | 0.66667500 | 1.228458
| | 03/09/2032 | 319.350745 | 1.45549681 | 0.46217325 | 252.548790 | 174.449663 | 4.816717 | 0.78280511 | 1.755972
| | 03/17/2061 | 150.932773 | 1.45483293 | 0.46203384 | 252.844813 | 174.123073 | 4.824665 | 0.78265089 | 1.754770
| | 03/25/2090 | 337.679527 | 1.45610092 | 0.46270871 | 253.306404 | 173.818771 | 4.827426 | 0.78235035 | 1.757065
| | 04/03/2119 | 111.436699 | 1.46534785 | 0.46445129 | 253.172171 | 173.458091 | 4.786203 | 0.78476515 | 1.773829
| | 04/10/2148 | 239.430074 | 1.46556748 | 0.46461779 | 253.599767 | 173.140590 | 4.782055 | 0.78463876 | 1.774228
| | 04/18/2177 | 7.090279 | 1.46499405 | 0.46426728 | 254.077556 | 172.727536 | 4.793467 | 0.78484525 | 1.773186
|
|
|
Detailed table...
|
Graphs...
|
3D animation...
|
Calculation on the date...
|
Return to search
|  |
 |  |  | |  |
|
|
