1991 GN9
1991GN9, 17477, 1991 HP, 1991HP, 1996 TU40, 1996TU40, J91G09N, J91H00P, J96T40U
All data for this body: [vot]
MPC data
| Name (number) |
1991 GN9 (17477) |
| a |
2.31868 |
| e |
0.15257 |
| i / sin(i) |
1.8247 /
0.03184
|
| q |
1.96493
|
| Q |
2.67243
|
| ω |
25.4308 |
| Node |
88.2741 |
| m |
301.8940 |
| n |
0.2792 |
| Epoch |
2460800.5 |
| nobs |
2084 |
| nopp |
21 |
| Years observed |
1991-2024 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.319 |
|
| ep |
0.182 |
|
| sin(ip) |
0.017 |
|
| G |
0.150 |
|
| H |
15.530 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.526 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3191 |
0.1816 |
0.0173 |
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 |
| 15.53 |
|
|
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 |
|
0.421 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |