2008 WH21
2008WH21, ~07Cq, 2008 XD57, 2008XD57, K08W21H, K08X57D
All data for this body: [vot]
MPC data
| Name (number) |
2008 WH21 (647704) |
| a |
2.89404 |
| e |
0.06854 |
| i / sin(i) |
2.7848 /
0.04859
|
| q |
2.69567
|
| Q |
3.09240
|
| ω |
216.0105 |
| Node |
206.8883 |
| m |
120.7384 |
| n |
0.2002 |
| Epoch |
2460800.5 |
| nobs |
93 |
| nopp |
11 |
| Years observed |
2008-2025 |
| rms |
0.44 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.895 |
|
| ep |
0.059 |
|
| sin(ip) |
0.059 |
|
| G |
0.150 |
|
| H |
17.510 |
|
| 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 |
| 2.8947 |
0.0585 |
0.0585 |
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 |
| 17.51 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |