Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2020   10:52:00   (   0.03,-137.20) (   0.93,-141.28)  464.85                80
 07/18/2020   10:30:36   (   0.03,-137.20) (  -0.06,-136.74)   51.32                80
 07/20/2020   22:36:29   (  -0.02,-137.19) (  -0.08,-137.53)   38.31                80
 07/21/2020   22:15:05   (  -0.02,-137.18) (   0.91,-132.99)  477.54                80
 07/23/2020   10:36:53   (   0.02,-137.18) (   0.28,-138.26)  124.05                80
 07/24/2020   10:20:50   (   0.02,-137.17) (  -0.77,-133.74)  391.38                80
 07/25/2020   22:40:06   (  -0.02,-137.15) (  -0.47,-139.03)  215.07                80
 07/26/2020   22:24:03   (  -0.03,-137.14) (   0.58,-134.51)  300.07                80
 07/28/2020   10:43:11   (   0.02,-137.12) (   0.61,-139.78)  302.59                80
 07/29/2020   10:27:06   (   0.02,-137.11) (  -0.38,-135.25)  211.95                80