Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/01/2020   22:23:39   (  -0.03,-137.20) (   0.60,-134.49)  309.72                80
 02/03/2020   10:45:27   (   0.04,-137.19) (   0.59,-139.76)  291.98                80
 02/04/2020   10:24:03   (   0.04,-137.18) (  -0.40,-135.23)  223.18                80
 02/05/2020   22:45:59   (  -0.05,-137.16) (  -0.82,-140.53)  383.80                80
 02/06/2020   22:29:55   (  -0.05,-137.15) (   0.18,-136.00)  130.92                80
 02/08/2020   10:51:43   (   0.06,-137.13) (   1.01,-141.27)  472.25                80
 02/09/2020   10:30:19   (   0.06,-137.11) (  -0.05,-136.75)   42.01                80
 02/11/2020   22:33:31   (  -0.06,-137.05) (  -0.16,-137.52)   52.49                80
 02/12/2020   22:17:27   (  -0.06,-137.03) (   0.84,-132.98)  461.38                80
 02/14/2020   10:39:15   (   0.06,-137.00) (   0.35,-138.25)  142.81                80
 02/15/2020   10:17:51   (   0.06,-136.98) (  -0.65,-133.72)  370.65                80