Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/24/2022   22:36:41   (  -0.03,-137.19) (  -0.08,-137.50)   35.27                80
 06/25/2022   22:15:18   (  -0.02,-137.19) (   0.93,-132.97)  480.28                80
 06/27/2022   10:39:47   (   0.02,-137.18) (   0.25,-138.25)  121.26                80
 06/28/2022   10:18:24   (   0.02,-137.18) (  -0.76,-133.72)  393.74                80
 06/29/2022   22:43:02   (  -0.02,-137.16) (  -0.41,-139.04)  213.11                80
 06/30/2022   22:21:38   (  -0.01,-137.15) (   0.55,-134.50)  301.69                80
 07/02/2022   10:46:07   (   0.02,-137.14) (   0.63,-139.77)  300.88                80
 07/03/2022   10:24:43   (   0.01,-137.12) (  -0.38,-135.24)  213.69                80
 07/04/2022   22:49:22   (  -0.02,-137.10) (  -0.78,-140.56)  393.91                80
 07/05/2022   22:27:58   (  -0.02,-137.08) (   0.24,-136.03)  120.46                80