2008 HC31
2008HC31, K08H31C, R4199
All data for this body: [vot]
MPC data
| Name (number) |
2008 HC31 (274199) |
| a |
2.80152 |
| e |
0.12431 |
| i / sin(i) |
12.5520 /
0.21733
|
| q |
2.45325
|
| Q |
3.14979
|
| ω |
251.6628 |
| Node |
216.7986 |
| m |
331.7158 |
| n |
0.2102 |
| Epoch |
2460800.5 |
| nobs |
272 |
| nopp |
14 |
| Years observed |
1996-2025 |
| rms |
0.86 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.801 |
|
| ep |
0.134 |
|
| sin(ip) |
0.231 |
|
| G |
0.150 |
|
| H |
16.790 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8010 |
0.1343 |
0.2313 |
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 |
| 16.79 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |