1998 SD168
1998SD168, 2008 AK45, 2008AK45, H8430, J98SG8D, K08A45K
All data for this body: [vot]
MPC data
| Name (number) |
1998 SD168 (178430) |
| a |
2.56999 |
| e |
0.26167 |
| i / sin(i) |
4.3549 /
0.07594
|
| q |
1.89750
|
| Q |
3.24247
|
| ω |
331.2540 |
| Node |
54.1043 |
| m |
140.5672 |
| n |
0.2392 |
| Epoch |
2460800.5 |
| nobs |
644 |
| nopp |
15 |
| Years observed |
1998-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.572 |
|
| ep |
0.209 |
|
| sin(ip) |
0.059 |
|
| G |
0.150 |
|
| H |
16.390 |
|
| 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 |
| 2.5722 |
0.2086 |
0.0586 |
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 |
| 16.39 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |