2009 YJ4
2009YJ4, b2725, K09Y04J
All data for this body: [vot]
MPC data
| Name (number) |
2009 YJ4 (372725) |
| a |
3.05543 |
| e |
0.05407 |
| i / sin(i) |
10.8589 /
0.18839
|
| q |
2.89022
|
| Q |
3.22065
|
| ω |
104.4794 |
| Node |
303.3356 |
| m |
16.8277 |
| n |
0.1845 |
| Epoch |
2460800.5 |
| nobs |
256 |
| nopp |
14 |
| Years observed |
2002-2024 |
| rms |
1.01 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.055 |
|
| ep |
0.032 |
|
| sin(ip) |
0.207 |
|
| G |
0.150 |
|
| H |
16.290 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
1.153 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0546 |
0.0321 |
0.2072 |
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 |
| 16.29 |
|
|
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 |
0.1921 |
0.1890 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |