1999 GY31
1999GY31, 1997 WJ25, 1997WJ25, 38077, J97W25J, J99G31Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 GY31 (38077) |
| a |
2.23511 |
| e |
0.12138 |
| i / sin(i) |
3.5277 /
0.06153
|
| q |
1.96382
|
| Q |
2.50640
|
| ω |
118.0667 |
| Node |
111.1692 |
| m |
267.5475 |
| n |
0.2950 |
| Epoch |
2460800.5 |
| nobs |
998 |
| nopp |
18 |
| Years observed |
1997-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.235 |
|
| ep |
0.148 |
|
| sin(ip) |
0.056 |
|
| G |
0.150 |
|
| H |
16.370 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.808 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2348 |
0.1482 |
0.0561 |
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 |
| 16.37 |
|
|
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 |
| S |
|
0.968 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |