Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2022   22:28:13   (  -0.05,-137.29) (   0.20,-136.08)  137.94                80
 07/23/2022   10:52:42   (   0.05,-137.28) (   0.96,-141.35)  464.35                80
 07/24/2022   10:31:19   (   0.04,-137.27) (  -0.07,-136.83)   50.72                80
 07/26/2022   22:37:13   (  -0.04,-137.25) (  -0.10,-137.61)   40.98                80
 07/27/2022   22:15:48   (  -0.03,-137.24) (   0.87,-133.07)  473.69                80
 07/29/2022   10:40:18   (   0.03,-137.21) (   0.28,-138.35)  129.85                80
 07/30/2022   10:18:53   (   0.03,-137.20) (  -0.69,-133.82)  384.61                80
 07/31/2022   22:40:51   (  -0.04,-137.17) (  -0.44,-139.13)  222.73                80
 08/01/2022   22:24:47   (  -0.03,-137.16) (   0.53,-134.60)  291.53                80
 08/03/2022   10:43:56   (   0.03,-137.13) (   0.62,-139.88)  312.90                80