1998 SJ9
1998SJ9, 2001 NO19, 2001NO19, F5466, J98S09J, K01N19O
All data for this body: [vot]
MPC data
| Name (number) |
1998 SJ9 (155466) |
| a |
2.17402 |
| e |
0.22685 |
| i / sin(i) |
1.8503 /
0.03229
|
| q |
1.68085
|
| Q |
2.66719
|
| ω |
353.8576 |
| Node |
5.7147 |
| m |
113.2455 |
| n |
0.3075 |
| Epoch |
2460800.5 |
| nobs |
808 |
| nopp |
17 |
| Years observed |
1997-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.175 |
|
| ep |
0.174 |
|
| sin(ip) |
0.036 |
|
| G |
0.150 |
|
| H |
16.820 |
|
| 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 |
| 2.1753 |
0.1742 |
0.0359 |
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 |
| 16.82 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |