2012 HW9
2012HW9, 2010 AD99, 2010AD99, K10A99D, K12H09W, l1529
All data for this body: [vot]
MPC data
| Name (number) |
2012 HW9 (471529) |
| a |
2.33190 |
| e |
0.24877 |
| i / sin(i) |
7.2914 /
0.12692
|
| q |
1.75179
|
| Q |
2.91202
|
| ω |
190.3579 |
| Node |
106.3160 |
| m |
191.0873 |
| n |
0.2768 |
| Epoch |
2460800.5 |
| nobs |
292 |
| nopp |
14 |
| Years observed |
1998-2025 |
| rms |
0.87 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.331 |
|
| ep |
0.222 |
|
| sin(ip) |
0.103 |
|
| G |
0.150 |
|
| H |
17.620 |
|
| Mass |
|
|
| D |
2.02 |
0.558 |
| pV |
0.036 |
0.0207 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
5.412 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3313 |
0.2223 |
0.1028 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.02 |
0.558 |
0.558 |
Masiero |
2017AJ....154..168M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.036 |
0.0207 |
0.0207 |
Masiero |
2017AJ....154..168M |
NEATM |
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 |
| 17.62 |
|
|
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 |
|
0.902 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |