Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 24.  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)
 12/24/2020   18:29:24   (  -0.03,-137.22) (  -0.46,-135.18)  232.14                80
 12/26/2020   06:51:05   (   0.02,-137.20) (  -0.57,-139.77)  293.78                80
 12/27/2020   06:27:46   (   0.03,-137.19) (   0.55,-134.78)  273.90                80
 12/28/2020   18:46:39   (  -0.02,-137.18) (   0.48,-139.34)  247.58                80
 12/29/2020   18:28:40   (  -0.03,-137.16) (  -0.65,-134.35)  319.73                80
 12/31/2020   06:47:42   (   0.02,-137.13) (  -0.39,-138.95)  207.69                80
 01/01/2021   06:24:23   (   0.02,-137.11) (   0.73,-133.96)  359.14                80
 01/02/2021   18:43:15   (  -0.02,-137.08) (   0.29,-138.52)  163.70                80
 01/03/2021   18:25:16   (  -0.02,-137.06) (  -0.78,-133.52)  402.90                80
 01/05/2021   06:44:18   (   0.01,-137.02) (  -0.20,-138.13)  125.59                80
 01/06/2021   06:20:59   (   0.01,-137.00) (   0.87,-133.13)  440.62                80