1997 SL9
1997SL9, 2001 QM63, 2001QM63, 31128, J97S09L, K01Q63M
All data for this body: [vot]
MPC data
| Name (number) |
1997 SL9 (31128) |
| a |
2.59360 |
| e |
0.17594 |
| i / sin(i) |
2.7394 /
0.04779
|
| q |
2.13727
|
| Q |
3.04993
|
| ω |
18.7543 |
| Node |
312.5274 |
| m |
250.4752 |
| n |
0.2360 |
| Epoch |
2460800.5 |
| nobs |
845 |
| nopp |
21 |
| Years observed |
1995-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.594 |
|
| ep |
0.092 |
|
| sin(ip) |
0.059 |
|
| G |
0.150 |
|
| H |
16.280 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.248 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5936 |
0.0916 |
0.0595 |
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 |
| 16.28 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.0413 |
0.0413 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |