2008 XM21
2008XM21, K08X21M, l0842
All data for this body: [vot]
MPC data
| Name (number) |
2008 XM21 (470842) |
| a |
2.70458 |
| e |
0.07961 |
| i / sin(i) |
12.4737 /
0.21599
|
| q |
2.48926
|
| Q |
2.91989
|
| ω |
353.0941 |
| Node |
99.3174 |
| m |
249.8329 |
| n |
0.2216 |
| Epoch |
2460800.5 |
| nobs |
187 |
| nopp |
13 |
| Years observed |
2000-2025 |
| rms |
0.92 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.704 |
|
| ep |
0.096 |
|
| sin(ip) |
0.198 |
|
| G |
0.150 |
|
| H |
17.000 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7045 |
0.0963 |
0.1981 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 17.00 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |