Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 15.  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   06:38:42   (   0.03,-137.20) (   0.00,-137.29)   10.11                80
 09/18/2021   18:39:32   (  -0.03,-137.20) (  -0.12,-136.85)   39.69                80
 09/20/2021   06:58:32   (   0.03,-137.20) (  -0.89,-141.46)  484.07                80
 09/21/2021   06:35:12   (   0.03,-137.20) (   0.21,-136.46)   85.05                80
 09/22/2021   18:54:01   (  -0.03,-137.19) (   0.82,-141.01)  434.94                80
 09/23/2021   18:36:01   (  -0.03,-137.19) (  -0.27,-136.01)  133.98                80
 09/25/2021   06:55:01   (   0.03,-137.19) (  -0.74,-140.61)  390.61                80
 09/26/2021   06:31:41   (   0.03,-137.18) (   0.36,-135.61)  177.80                80
 09/27/2021   18:50:30   (  -0.03,-137.16) (   0.67,-140.17)  343.62                80
 09/28/2021   18:32:30   (  -0.02,-137.14) (  -0.49,-135.18)  224.39                80