Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 14.  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)
 09/16/2021   06:41:23   (   0.03,-137.20) (   0.03,-137.30)   10.25                80
 09/18/2021   18:39:32   (  -0.03,-137.20) (  -0.09,-136.85)   39.61                80
 09/20/2021   06:58:32   (   0.03,-137.20) (  -0.92,-141.45)  484.15                80
 09/21/2021   06:35:12   (   0.03,-137.20) (   0.18,-136.45)   84.92                80
 09/22/2021   18:54:01   (  -0.03,-137.19) (   0.85,-141.00)  435.21                80
 09/23/2021   18:36:01   (  -0.03,-137.19) (  -0.30,-136.02)  133.65                80
 09/25/2021   06:55:01   (   0.03,-137.18) (  -0.77,-140.61)  390.94                80
 09/26/2021   06:31:41   (   0.02,-137.17) (   0.39,-135.62)  177.43                80
 09/27/2021   18:50:31   (  -0.02,-137.15) (   0.64,-140.17)  344.10                80