Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 7 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2022   22:36:59   (  -0.04,-137.26) (  -0.08,-137.56)   34.36                80
 07/11/2022   22:15:35   (  -0.03,-137.26) (   0.94,-133.04)  482.07                80
 07/13/2022   10:40:04   (   0.03,-137.28) (   0.23,-138.31)  117.58                80
 07/14/2022   10:18:40   (   0.03,-137.28) (  -0.73,-133.77)  398.41                80
 07/15/2022   22:43:18   (  -0.03,-137.27) (  -0.43,-139.09)  207.66                80
 07/16/2022   22:21:55   (  -0.03,-137.27) (   0.60,-134.57)  308.44                80
 07/18/2022   10:46:23   (   0.04,-137.28) (   0.63,-139.83)  291.27                80
 07/19/2022   10:25:00   (   0.03,-137.28) (  -0.40,-135.30)  224.62                80
 07/20/2022   22:49:38   (  -0.03,-137.26) (  -0.76,-140.62)  382.03                80
 07/21/2022   22:28:13   (  -0.03,-137.26) (   0.21,-136.08)  133.55                80
 07/23/2022   10:52:43   (   0.02,-137.26) (   0.96,-141.36)  467.28                80