Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2022   10:18:24   (   0.02,-137.19) (  -0.76,-133.72)  395.80                80
 06/29/2022   22:43:02   (  -0.02,-137.18) (  -0.41,-139.03)  210.14                80
 06/30/2022   22:21:39   (  -0.02,-137.18) (   0.61,-134.51)  304.97                80
 07/02/2022   10:46:08   (   0.02,-137.16) (   0.58,-139.78)  297.50                80
 07/03/2022   10:24:43   (   0.02,-137.16) (  -0.38,-135.24)  217.42                80
 07/04/2022   22:49:22   (  -0.03,-137.14) (  -0.79,-140.56)  389.26                80
 07/05/2022   22:27:58   (  -0.02,-137.13) (   0.23,-136.03)  125.38                80
 07/07/2022   10:52:27   (   0.03,-137.11) (   0.95,-141.30)  478.01                80
 07/08/2022   10:31:04   (   0.02,-137.09) (  -0.07,-136.78)   36.11                80
 07/10/2022   22:36:58   (  -0.01,-137.04) (  -0.13,-137.56)   58.98                80
 07/11/2022   22:15:34   (  -0.00,-137.01) (   0.89,-133.03)  454.08                80