Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2021   18:41:13   (   0.03,-137.20) (   0.13,-137.72)   59.46                80
 06/21/2021   06:39:33   (  -0.03,-137.18) (  -0.07,-137.32)   16.15                80
 06/23/2021   18:40:25   (   0.03,-137.15) (  -0.05,-136.89)   30.69                80
 06/25/2021   06:56:44   (  -0.02,-137.13) (  -1.00,-141.48)  495.91                80
 06/26/2021   06:38:45   (  -0.02,-137.11) (   0.13,-136.49)   71.47                80
 06/27/2021   18:54:56   (   0.02,-137.09) (   0.89,-141.05)  450.93                80
 06/28/2021   18:36:55   (   0.02,-137.07) (  -0.18,-136.05)  116.44                80
 06/30/2021   06:55:56   (  -0.02,-137.05) (  -0.80,-140.65)  410.29                80
 07/01/2021   06:32:35   (  -0.02,-137.03) (   0.28,-135.65)  156.96                80