2009 BY31
2009BY31, 2001 UE230, 2001UE230, f4400, K01UN0E, K09B31Y
All data for this body: [vot]
MPC data
| Name (number) |
2009 BY31 (414400) |
| a |
2.19209 |
| e |
0.11589 |
| i / sin(i) |
4.9168 /
0.08571
|
| q |
1.93806
|
| Q |
2.44612
|
| ω |
270.3489 |
| Node |
104.6406 |
| m |
107.1844 |
| n |
0.3037 |
| Epoch |
2460800.5 |
| nobs |
137 |
| nopp |
11 |
| Years observed |
2001-2025 |
| rms |
1.01 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.192 |
|
| ep |
0.094 |
|
| sin(ip) |
0.087 |
|
| G |
0.150 |
|
| H |
18.500 |
|
| 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 |
| 2.1923 |
0.0937 |
0.0869 |
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 |
| 18.50 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |