Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2026 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2026   07:20:48   (  -1.06, -89.48) (  -1.77, -86.45)  345.89                80
 09/22/2026   19:45:25   (   0.99, -89.48) (   0.48, -91.72)  256.32                80
 09/23/2026   19:24:02   (   1.04, -89.48) (   1.58, -87.21)  259.29                80
 09/25/2026   07:48:28   (  -0.95, -89.48) (  -0.27, -92.44)  337.89                80
 09/26/2026   07:27:06   (  -1.01, -89.48) (  -1.37, -87.92)  177.71                80
 09/27/2026   19:51:42   (   0.91, -89.48) (   0.09, -93.20)  423.60                80
 09/28/2026   19:30:19   (   0.97, -89.48) (   1.13, -88.67)   92.09                80
 10/01/2026   07:33:24   (  -0.93, -89.48) (  -0.97, -89.40)   10.98                80
 10/03/2026   19:39:16   (   0.88, -89.48) (   0.76, -90.15)   75.39                80
 10/04/2026   19:17:53   (   0.94, -89.48) (   1.80, -85.62)  440.12                80