1997 WM20
1997WM20, A0659, J97W20M
All data for this body: [vot]
MPC data
| Name (number) |
1997 WM20 (100659) |
| a |
2.64999 |
| e |
0.03968 |
| i / sin(i) |
2.2053 /
0.03848
|
| q |
2.54485
|
| Q |
2.75513
|
| ω |
124.0867 |
| Node |
108.6038 |
| m |
313.1216 |
| n |
0.2285 |
| Epoch |
2460800.5 |
| nobs |
479 |
| nopp |
22 |
| Years observed |
1992-2025 |
| rms |
0.93 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.651 |
|
| ep |
0.079 |
|
| sin(ip) |
0.033 |
|
| G |
0.150 |
|
| H |
16.630 |
|
| 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 |
| 2.6508 |
0.0790 |
0.0326 |
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 |
| 16.63 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |