2009 BT81
2009BT81, K09B81T, S4842
All data for this body: [vot]
MPC data
| Name (number) |
2009 BT81 (284842) |
| a |
2.52336 |
| e |
0.15632 |
| i / sin(i) |
2.2776 /
0.03974
|
| q |
2.12890
|
| Q |
2.91783
|
| ω |
205.4732 |
| Node |
180.8232 |
| m |
308.0388 |
| n |
0.2459 |
| Epoch |
2460200.5 |
| nobs |
403 |
| nopp |
17 |
| Years observed |
1992-2023 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.524 |
|
| ep |
0.107 |
|
| sin(ip) |
0.042 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.990 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5244 |
0.1075 |
0.0421 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 16.99 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |