Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 6 20.  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)
 06/21/2021   06:42:14   (  -0.03,-137.18) (  -0.04,-137.32)   16.09                80
 06/23/2021   18:40:24   (   0.03,-137.16) (  -0.02,-136.88)   31.47                80
 06/25/2021   06:56:45   (  -0.03,-137.13) (  -0.97,-141.49)  495.28                80
 06/26/2021   06:38:44   (  -0.03,-137.12) (   0.10,-136.48)   72.26                80
 06/27/2021   18:54:55   (   0.02,-137.10) (   0.91,-141.04)  449.58                80
 06/28/2021   18:36:56   (   0.02,-137.09) (  -0.21,-136.05)  117.88                80
 06/30/2021   06:53:15   (  -0.02,-137.06) (  -0.82,-140.65)  409.03                80
 07/01/2021   06:35:16   (  -0.02,-137.04) (   0.31,-135.66)  158.34                80
 07/02/2021   18:51:27   (   0.02,-137.02) (   0.72,-140.22)  364.03                80
 07/03/2021   18:33:27   (   0.02,-137.00) (  -0.35,-135.21)  203.10                80