2008 HH9
2008HH9, 1997 GL30, 1997GL30, J97G30L, K08H09H, L8988
All data for this body: [vot]
MPC data
| Name (number) |
2008 HH9 (218988) |
| a |
3.08794 |
| e |
0.05967 |
| i / sin(i) |
12.1068 /
0.20974
|
| q |
2.90369
|
| Q |
3.27220
|
| ω |
200.5554 |
| Node |
121.9564 |
| m |
205.7129 |
| n |
0.1816 |
| Epoch |
2460200.5 |
| nobs |
503 |
| nopp |
17 |
| Years observed |
1997-2023 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.089 |
|
| ep |
0.043 |
|
| sin(ip) |
0.191 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.340 |
|
| Mass |
|
|
| D |
3.91 |
0.600 |
| pV |
0.096 |
0.0370 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0889 |
0.0430 |
0.1911 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.91 |
0.600 |
0.600 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.096 |
0.0370 |
0.0370 |
Masiero |
2012ApJ...759L...8M |
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 |
| 15.34 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |