2009 SY257
2009SY257, K09SP7Y, W8659
All data for this body: [vot]
MPC data
| Name (number) |
2009 SY257 (328659) |
| a |
2.76246 |
| e |
0.07916 |
| i / sin(i) |
3.8048 /
0.06636
|
| q |
2.54377
|
| Q |
2.98114
|
| ω |
316.1476 |
| Node |
40.6697 |
| m |
151.7885 |
| n |
0.2147 |
| Epoch |
2460800.5 |
| nobs |
222 |
| nopp |
15 |
| Years observed |
2003-2025 |
| rms |
0.98 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.764 |
|
| ep |
0.041 |
|
| sin(ip) |
0.057 |
|
| G |
0.150 |
|
| H |
17.180 |
|
| 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 |
| 2.7639 |
0.0408 |
0.0574 |
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 |
| 17.18 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |