1999XF12
1990BJ6, 20711, J90B06J, J99X12F
All data for this body: [vot]
MPC data
| Name (number) |
1999XF12 (20711) |
| Packed designation |
20711 |
| a |
3.17067 |
| e |
0.29676 |
| i / sin(i) |
18.3587 /
0.31497
|
| q |
2.22975
|
| Q |
4.11158
|
| ω |
236.7178 |
| Node |
230.3912 |
| m |
269.7327 |
| n |
0.1746 |
| Epoch |
2459600.5 |
| nobs |
1762 |
| nopp |
22 |
| Years observed |
1950-2021 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.147 |
|
| ep |
0.293 |
|
| sin(ip) |
0.343 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
12.870 |
|
| Mass |
|
|
| D |
6.90 |
0.543 |
| pV |
0.162 |
0.0307 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1472 |
0.2931 |
0.3427 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.90 |
0.543 |
0.543 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.162 |
0.0307 |
0.0307 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 12.87 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |