Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2020   18:28:40   (  -0.02,-137.23) (  -0.64,-134.35)  327.39                80
 12/31/2020   06:47:42   (   0.02,-137.21) (  -0.34,-138.96)  198.51                80
 01/01/2021   06:24:23   (   0.02,-137.21) (   0.73,-133.96)  369.61                80
 01/02/2021   18:43:15   (  -0.02,-137.20) (   0.29,-138.52)  150.68                80
 01/03/2021   18:25:17   (  -0.01,-137.19) (  -0.84,-133.53)  417.47                80
 01/05/2021   06:44:18   (  -0.00,-137.17) (  -0.20,-138.13)  109.09                80
 01/06/2021   06:21:00   (  -0.00,-137.16) (   0.93,-133.14)  458.35                80
 01/07/2021   18:39:51   (  -0.01,-137.14) (   0.14,-137.69)   63.37                80
 01/10/2021   06:40:54   (   0.02,-137.09) (  -0.06,-137.30)   24.77                80