1999 WP18
1999WP18, J99W18P, z2137
All data for this body: [vot]
MPC data
| Name (number) |
1999 WP18 (612137) |
| a |
2.59686 |
| e |
0.19509 |
| i / sin(i) |
4.6680 /
0.08138
|
| q |
2.09025
|
| Q |
3.10347
|
| ω |
322.4486 |
| Node |
53.6825 |
| m |
53.4255 |
| n |
0.2355 |
| Epoch |
2460800.5 |
| nobs |
186 |
| nopp |
8 |
| Years observed |
1999-2024 |
| rms |
0.85 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.596 |
|
| ep |
0.122 |
|
| sin(ip) |
0.067 |
|
| G |
0.150 |
|
| H |
17.800 |
|
| 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 |
| 2.5956 |
0.1223 |
0.0672 |
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 |
| 17.80 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |