2008 HQ21
2008HQ21, 2011 CB21, 2011CB21, K08H21Q, K11C21B, x8251
All data for this body: [vot]
MPC data
| Name (number) |
2008 HQ21 (598251) |
| a |
2.34414 |
| e |
0.07984 |
| i / sin(i) |
3.9930 /
0.06963
|
| q |
2.15699
|
| Q |
2.53129
|
| ω |
260.0834 |
| Node |
140.3616 |
| m |
79.5134 |
| n |
0.2746 |
| Epoch |
2460800.5 |
| nobs |
159 |
| nopp |
12 |
| Years observed |
2004-2025 |
| rms |
0.99 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.344 |
|
| ep |
0.062 |
|
| sin(ip) |
0.061 |
|
| G |
0.150 |
|
| H |
18.030 |
|
| 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 |
| 2.3442 |
0.0619 |
0.0606 |
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 |
| 18.03 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |