1998 WA21
1998WA21, 2002 PP42, 2002PP42, D4485, J98W21A, K02P42P
All data for this body: [vot]
MPC data
| Name (number) |
1998 WA21 (134485) |
| a |
2.55820 |
| e |
0.29268 |
| i / sin(i) |
6.2231 /
0.10840
|
| q |
1.80947
|
| Q |
3.30694
|
| ω |
334.4220 |
| Node |
40.1602 |
| m |
43.0199 |
| n |
0.2409 |
| Epoch |
2460200.5 |
| nobs |
511 |
| nopp |
16 |
| Years observed |
1998-2023 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.561 |
|
| ep |
0.198 |
|
| sin(ip) |
0.091 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
16.370 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5609 |
0.1981 |
0.0910 |
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 |
| 16.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |