Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/29/2019   22:46:57   (   0.02,-137.20) (  -0.75,-140.63)  390.82                80
 08/30/2019   22:30:52   (   0.02,-137.20) (   0.27,-136.10)  125.57                80
 09/01/2019   10:52:39   (  -0.02,-137.20) (   0.94,-141.36)  475.11                80
 09/02/2019   10:31:15   (  -0.02,-137.20) (  -0.08,-136.83)   41.04                80
 09/04/2019   22:34:27   (   0.02,-137.18) (  -0.09,-137.60)   48.51                80
 09/05/2019   22:18:22   (   0.03,-137.17) (   0.93,-133.07)  467.10                80
 09/07/2019   10:40:11   (  -0.03,-137.16) (   0.22,-138.35)  134.96                80
 09/08/2019   10:18:46   (  -0.03,-137.15) (  -0.81,-133.82)  380.25                80
 09/09/2019   22:40:42   (   0.03,-137.13) (  -0.44,-139.11)  226.18                80
 09/10/2019   22:24:37   (   0.03,-137.11) (   0.58,-134.58)  288.86                80
 09/12/2019   10:46:25   (  -0.03,-137.09) (   0.57,-139.85)  313.90                80