2009 YW21
2009YW21, 2007 LZ11, 2007LZ11, 2009 YZ25, 2009YZ25, d5129, K07L11Z, K09Y21W, K09Y25Z
All data for this body: [vot]
MPC data
| Name (number) |
2009 YW21 (395129) |
| a |
2.34328 |
| e |
0.16699 |
| i / sin(i) |
3.3324 /
0.05813
|
| q |
1.95198
|
| Q |
2.73459
|
| ω |
69.3336 |
| Node |
99.1604 |
| m |
56.7262 |
| n |
0.2748 |
| Epoch |
2460800.5 |
| nobs |
159 |
| nopp |
13 |
| Years observed |
2003-2025 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.342 |
|
| ep |
0.210 |
|
| sin(ip) |
0.045 |
|
| G |
0.150 |
|
| H |
18.190 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
1.811 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3425 |
0.2099 |
0.0447 |
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 |
| 18.19 |
|
|
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 |
| S |
S |
0.3018 |
0.2960 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |