1998 SY7
1998SY7, 2004 SP20, 2004SP20, h9847, J98S07Y, K04S20P
All data for this body: [vot]
MPC data
| Name (number) |
1998 SY7 (439847) |
| a |
3.20985 |
| e |
0.20381 |
| i / sin(i) |
0.5723 /
0.00999
|
| q |
2.55564
|
| Q |
3.86406
|
| ω |
311.3238 |
| Node |
50.8660 |
| m |
229.5941 |
| n |
0.1714 |
| Epoch |
2460800.5 |
| nobs |
209 |
| nopp |
11 |
| Years observed |
1998-2024 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
16.510 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
5.772 |
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 |
| 16.51 |
|
|
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 |
| C |
|
0.962 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |