2012 XK21
2012XK21, K12X21K, s2137
All data for this body: [vot]
MPC data
| Name (number) |
2012 XK21 (542137) |
| a |
2.25457 |
| e |
0.05466 |
| i / sin(i) |
7.9538 /
0.13837
|
| q |
2.13133
|
| Q |
2.37782
|
| ω |
56.9734 |
| Node |
67.7214 |
| m |
12.7093 |
| n |
0.2911 |
| Epoch |
2460200.5 |
| nobs |
156 |
| nopp |
6 |
| Years observed |
2012-2022 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.254 |
|
| ep |
0.111 |
|
| sin(ip) |
0.127 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
17.790 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2543 |
0.1114 |
0.1268 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 17.79 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |