Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/07/2020   10:24:14   (   0.01,-137.20) (  -0.43,-135.29)  218.65                80
 03/08/2020   22:46:10   (  -0.01,-137.19) (  -0.78,-140.59)  387.61                80
 03/09/2020   22:30:06   (  -0.00,-137.18) (   0.22,-136.06)  127.77                80
 03/11/2020   10:51:54   (   0.00,-137.17) (   0.94,-141.33)  474.21                80
 03/12/2020   10:30:29   (   0.00,-137.16) (  -0.06,-136.80)   40.80                80
 03/14/2020   22:33:42   (  -0.01,-137.12) (  -0.08,-137.58)   51.88                80
 03/15/2020   22:17:38   (  -0.01,-137.10) (   0.93,-133.05)  462.79                80
 03/17/2020   10:39:25   (   0.01,-137.08) (   0.29,-138.31)  140.42                80
 03/18/2020   10:18:01   (   0.01,-137.06) (  -0.72,-133.78)  373.70                80
 03/19/2020   22:39:57   (  -0.01,-137.02) (  -0.49,-139.08)  234.93                80