Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 10 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)
 10/29/2020   22:40:16   (  -0.02,-137.21) (  -0.44,-139.08)  212.90                80
 10/30/2020   22:24:10   (  -0.02,-137.21) (   0.55,-134.54)  303.43                80
 11/01/2020   10:43:18   (   0.02,-137.21) (   0.61,-139.81)  297.19                80
 11/02/2020   10:27:12   (   0.02,-137.20) (  -0.39,-135.28)  218.63                80
 11/03/2020   22:46:27   (  -0.02,-137.18) (  -0.81,-140.58)  388.16                80
 11/04/2020   22:30:23   (  -0.02,-137.17) (   0.25,-136.06)  127.10                80
 11/06/2020   10:49:29   (   0.01,-137.15) (   0.97,-141.32)  475.19                80
 11/07/2020   10:33:25   (   0.01,-137.14) (  -0.08,-136.79)   39.57                80
 11/09/2020   22:33:55   (  -0.01,-137.08) (  -0.11,-137.56)   54.31                80
 11/10/2020   22:17:49   (  -0.01,-137.06) (   0.89,-133.03)  459.98                80