1998 WC20
1998WC20, 1989 YW8, 1989YW8, 1990 BN3, 1990BN3, 44487, J89Y08W, J90B03N, J98W20C
All data for this body: [vot]
MPC data
| Name (number) |
1998 WC20 (44487) |
| a |
2.76937 |
| e |
0.17566 |
| i / sin(i) |
7.9491 /
0.13829
|
| q |
2.28289
|
| Q |
3.25584
|
| ω |
175.8091 |
| Node |
256.5549 |
| m |
136.9871 |
| n |
0.2139 |
| Epoch |
2460200.5 |
| nobs |
1814 |
| nopp |
22 |
| Years observed |
1953-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.768 |
|
| ep |
0.169 |
|
| sin(ip) |
0.151 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.220 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7679 |
0.1693 |
0.1513 |
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 |
| 14.22 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |