2009 VH21
2009VH21, 1998 BT39, 1998BT39, J98B39T, K09V21H, R5094
All data for this body: [vot]
MPC data
| Name (number) |
2009 VH21 (275094) |
| a |
2.61503 |
| e |
0.05989 |
| i / sin(i) |
2.5649 /
0.04475
|
| q |
2.45840
|
| Q |
2.77165
|
| ω |
78.1914 |
| Node |
141.7180 |
| m |
78.4419 |
| n |
0.2331 |
| Epoch |
2460800.5 |
| nobs |
296 |
| nopp |
16 |
| Years observed |
1998-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.615 |
|
| ep |
0.100 |
|
| sin(ip) |
0.036 |
|
| G |
0.150 |
|
| H |
17.090 |
|
| 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 |
| 2.6150 |
0.1003 |
0.0357 |
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 |
| 17.09 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |