2009 HC87
2009HC87, K09H87C, U9988
All data for this body: [vot]
MPC data
| Name (number) |
2009 HC87 (309988) |
| a |
2.81668 |
| e |
0.09939 |
| i / sin(i) |
4.7607 /
0.08299
|
| q |
2.53675
|
| Q |
3.09662
|
| ω |
247.3586 |
| Node |
84.6957 |
| m |
256.4211 |
| n |
0.2085 |
| Epoch |
2460200.5 |
| nobs |
185 |
| nopp |
15 |
| Years observed |
2004-2023 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
Agnia (847) |
|
| |
|
|
| ap |
2.816 |
|
| ep |
0.072 |
|
| sin(ip) |
0.065 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.960 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 847 |
Agnia |
514 |
Agnia |
0.7700 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8161 |
0.0719 |
0.0645 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 16.96 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |