2009 WC221
2009WC221, 2003 KK22, 2003KK22, K03K22K, K09WM1C, V2635
All data for this body: [vot]
MPC data
| Name (number) |
2009 WC221 (312635) |
| a |
5.20071 |
| e |
0.01437 |
| i / sin(i) |
3.6151 /
0.06305
|
| q |
5.12596
|
| Q |
5.27546
|
| ω |
304.4709 |
| Node |
125.5080 |
| m |
95.4684 |
| n |
0.0831 |
| Epoch |
2460800.5 |
| nobs |
269 |
| nopp |
17 |
| Years observed |
2001-2025 |
| rms |
0.97 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
14.090 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
1.546 |
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 |
| 14.09 |
|
|
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 |
| D |
D |
0.2577 |
0.2577 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |