1999 WF20
1999WF20, 1998 MF21, 1998MF21, 43090, J98M21F, J99W20F
All data for this body: [vot]
MPC data
| Name (number) |
1999 WF20 (43090) |
| a |
2.68094 |
| e |
0.17317 |
| i / sin(i) |
12.0534 /
0.20882
|
| q |
2.21669
|
| Q |
3.14518
|
| ω |
40.5474 |
| Node |
236.9709 |
| m |
258.8347 |
| n |
0.2245 |
| Epoch |
2460200.5 |
| nobs |
1179 |
| nopp |
20 |
| Years observed |
1998-2023 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.681 |
|
| ep |
0.174 |
|
| sin(ip) |
0.220 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.690 |
|
| Mass |
|
|
| D |
3.52 |
0.600 |
| pV |
0.272 |
0.0670 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6808 |
0.1742 |
0.2203 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.52 |
0.600 |
0.600 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.272 |
0.0670 |
0.0670 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 14.69 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |