1999 WK9
1999WK9, 1998 JY2, 1998JY2, 41207, J98J02Y, J99W09K
All data for this body: [vot]
MPC data
| Name (number) |
1999 WK9 (41207) |
| a |
2.55554 |
| e |
0.25086 |
| i / sin(i) |
8.2339 /
0.14321
|
| q |
1.91445
|
| Q |
3.19664
|
| ω |
197.4598 |
| Node |
118.7023 |
| m |
14.8747 |
| n |
0.2413 |
| Epoch |
2460200.5 |
| nobs |
1636 |
| nopp |
21 |
| Years observed |
1994-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.110 |
|
| Mass |
|
|
| D |
2.28 |
0.269 |
| pV |
0.408 |
0.0777 |
| Rotational Period |
|
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.28 |
0.269 |
0.269 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.408 |
0.0777 |
0.0777 |
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 |
| 15.11 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |