Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2022   10:52:10   (   0.03,-137.16) (   0.93,-141.24)  464.55                80
 06/22/2022   10:30:47   (   0.03,-137.15) (  -0.08,-136.71)   50.34                80
 06/24/2022   22:36:41   (  -0.02,-137.13) (  -0.08,-137.50)   41.96                80
 06/25/2022   22:15:18   (  -0.02,-137.12) (   0.94,-132.98)  472.51                80
 06/27/2022   10:39:47   (   0.02,-137.09) (   0.25,-138.25)  131.10                80
 06/28/2022   10:18:24   (   0.01,-137.08) (  -0.77,-133.72)  382.78                80
 06/29/2022   22:43:01   (  -0.01,-137.05) (  -0.46,-139.02)  225.67                80
 06/30/2022   22:21:38   (  -0.00,-137.02) (   0.56,-134.50)  287.97                80
 07/02/2022   10:46:07   (   0.01,-136.99) (   0.62,-139.77)  316.56                80
 07/03/2022   10:24:43   (   0.00,-136.97) (  -0.40,-135.25)  196.85                80