Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2020   10:45:59   (   0.02,-137.18) (   0.59,-139.80)  297.38                80
 08/14/2020   10:24:35   (   0.02,-137.19) (  -0.41,-135.26)  218.87                80
 08/15/2020   22:46:33   (   0.02,-137.18) (  -0.72,-140.58)  386.95                80
 08/16/2020   22:30:29   (   0.01,-137.18) (   0.28,-136.05)  129.08                80
 08/18/2020   10:52:17   (  -0.01,-137.17) (   0.89,-141.32)  472.25                80
 08/19/2020   10:30:52   (  -0.00,-137.16) (  -0.10,-136.79)   43.35                80
 08/21/2020   22:34:05   (   0.00,-137.14) (  -0.08,-137.56)   47.49                80
 08/22/2020   22:18:01   (   0.00,-137.13) (   0.92,-133.03)  467.71                80
 08/24/2020   10:39:49   (  -0.00,-137.11) (   0.25,-138.30)  134.89                80
 08/25/2020   10:18:25   (  -0.00,-137.10) (  -0.75,-133.76)  379.81                80