2009 VK21
2009VK21, 2006 DB17, 2006DB17, 2007 KM9, 2007KM9, K06D17B, K07K09M, K09V21K, W1606
All data for this body: [vot]
MPC data
| Name (number) |
2009 VK21 (321606) |
| a |
3.01992 |
| e |
0.08719 |
| i / sin(i) |
4.4211 /
0.07709
|
| q |
2.75662
|
| Q |
3.28323
|
| ω |
227.7421 |
| Node |
101.9332 |
| m |
60.3045 |
| n |
0.1878 |
| Epoch |
2460800.5 |
| nobs |
366 |
| nopp |
20 |
| Years observed |
1996-2025 |
| rms |
0.87 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.020 |
|
| ep |
0.069 |
|
| sin(ip) |
0.056 |
|
| G |
0.150 |
|
| H |
16.250 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
A |
| Spectral Class Score |
1.786 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0196 |
0.0687 |
0.0564 |
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 |
| 16.25 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| A |
A |
0.2976 |
0.2780 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |