Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2020   10:51:57   (  -0.00,-137.23) (   0.93,-141.34)  469.64                80
 03/28/2020   10:30:33   (  -0.01,-137.22) (  -0.09,-136.81)   46.20                80
 03/30/2020   22:33:45   (   0.02,-137.20) (  -0.05,-137.60)   44.91                80
 03/31/2020   22:17:41   (   0.02,-137.19) (   0.97,-133.07)  470.45                80
 04/02/2020   10:39:28   (  -0.02,-137.18) (   0.24,-138.33)  131.21                80
 04/03/2020   10:18:04   (  -0.01,-137.16) (  -0.77,-133.80)  383.66                80
 04/04/2020   22:40:00   (   0.00,-137.13) (  -0.43,-139.10)  224.25                80
 04/05/2020   22:23:56   (   0.00,-137.11) (   0.59,-134.57)  290.37                80
 04/07/2020   10:45:43   (  -0.00,-137.10) (   0.62,-139.83)  312.05                80
 04/08/2020   10:24:18   (  -0.01,-137.08) (  -0.40,-135.30)  202.04                80