Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 7.  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)
 04/07/2021   06:40:28   (  -0.04,-137.20) (  -0.05,-137.24)    4.47                80
 04/09/2021   18:36:00   (   0.04,-137.21) (  -0.08,-136.82)   46.06                80
 04/11/2021   06:57:38   (  -0.04,-137.19) (  -0.99,-141.40)  479.70                80
 04/12/2021   06:34:19   (  -0.04,-137.19) (   0.15,-136.41)   88.98                80
 04/13/2021   18:53:10   (   0.04,-137.19) (   0.85,-140.97)  430.31                80
 04/14/2021   18:32:29   (   0.04,-137.18) (  -0.23,-135.97)  137.92                80
 04/16/2021   06:54:09   (  -0.04,-137.15) (  -0.78,-140.57)  389.14                80
 04/17/2021   06:30:48   (  -0.03,-137.14) (   0.30,-135.57)  178.53                80
 04/18/2021   18:49:39   (   0.03,-137.12) (   0.69,-140.13)  342.34                80
 04/19/2021   18:31:39   (   0.03,-137.11) (  -0.39,-135.13)  224.87                80