2012 HD9
2012HD9, a6183, K12H09D
All data for this body: [vot]
MPC data
| Name (number) |
2012 HD9 (366183) |
| a |
3.15587 |
| e |
0.05097 |
| i / sin(i) |
11.5107 /
0.19955
|
| q |
2.99500
|
| Q |
3.31674
|
| ω |
178.2817 |
| Node |
93.6510 |
| m |
60.3146 |
| n |
0.1758 |
| Epoch |
2460800.5 |
| nobs |
277 |
| nopp |
14 |
| Years observed |
2003-2025 |
| rms |
0.85 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.158 |
|
| ep |
0.058 |
|
| sin(ip) |
0.179 |
|
| G |
0.150 |
|
| H |
16.040 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
1.265 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1576 |
0.0576 |
0.1787 |
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 |
| 16.04 |
|
|
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 |
0.2108 |
0.0600 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |