2009HD9
2012EC1, K09H09D, K12E01C, W8476
All data for this body: [vot]
MPC data
| Name (number) |
2009HD9 (328476) |
| Packed designation |
W8476 |
| a |
2.17732 |
| e |
0.18366 |
| i / sin(i) |
1.0331 /
0.01803
|
| q |
1.77744
|
| Q |
2.57720
|
| ω |
359.0973 |
| Node |
271.8562 |
| m |
307.0359 |
| n |
0.3068 |
| Epoch |
2459600.5 |
| nobs |
133 |
| nopp |
8 |
| Years observed |
1996-2019 |
| rms |
0.34 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.180 |
|
| ep |
0.164 |
|
| sin(ip) |
0.043 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
18.200 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1796 |
0.1642 |
0.0435 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 18.20 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |