Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2026 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)
 07/21/2026   19:25:27   (   0.87, -89.50) (   1.36, -87.36)  243.77                80
 07/23/2026   07:44:38   (  -0.93, -89.50) (  -0.24, -92.64)  358.02                80
 07/24/2026   07:28:35   (  -0.91, -89.50) (  -1.24, -88.11)  158.98                80
 07/25/2026   19:47:53   (   0.97, -89.50) (   0.06, -93.41)  446.32                80
 07/26/2026   19:31:50   (   0.95, -89.50) (   1.06, -88.88)   70.94                80
 07/29/2026   07:32:18   (  -0.97, -89.51) (  -0.95, -89.62)   12.53                80
 07/31/2026   19:35:32   (   1.00, -89.53) (   0.78, -90.39)   99.26                80
 08/01/2026   19:19:29   (   0.98, -89.53) (   1.78, -85.86)  418.61                80
 08/03/2026   07:38:40   (  -1.02, -89.55) (  -0.68, -91.14)  180.89                80
 08/04/2026   07:22:37   (  -1.01, -89.56) (  -1.69, -86.61)  336.87                80