2009 HW18
2009HW18, 2005 QD12, 2005QD12, K05Q12D, K09H18W, Q3925
All data for this body: [vot]
MPC data
| Name (number) |
2009 HW18 (263925) |
| a |
2.76855 |
| e |
0.18622 |
| i / sin(i) |
9.2965 /
0.16154
|
| q |
2.25298
|
| Q |
3.28412
|
| ω |
96.8463 |
| Node |
184.0356 |
| m |
137.0881 |
| n |
0.2140 |
| Epoch |
2460800.5 |
| nobs |
247 |
| nopp |
14 |
| Years observed |
2004-2025 |
| rms |
0.96 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.766 |
|
| ep |
0.184 |
|
| sin(ip) |
0.169 |
|
| G |
0.150 |
|
| H |
16.970 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
4.536 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7662 |
0.1837 |
0.1689 |
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 |
| 16.97 |
|
|
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 |
|
0.756 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |