Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 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)
 04/21/2022   22:36:48   (   0.03,-137.17) (  -0.04,-137.56)   43.19                80
 04/22/2022   22:15:23   (   0.03,-137.17) (   0.95,-133.02)  472.73                80
 04/24/2022   10:39:49   (  -0.02,-137.16) (   0.26,-138.28)  128.39                80
 04/25/2022   10:18:25   (  -0.02,-137.15) (  -0.80,-133.75)  387.39                80
 04/26/2022   22:43:00   (   0.02,-137.13) (  -0.40,-139.05)  218.13                80
 04/27/2022   22:21:34   (   0.02,-137.13) (   0.60,-134.51)  297.60                80
 04/29/2022   10:46:01   (  -0.02,-137.11) (   0.60,-139.77)  303.80                80
 04/30/2022   10:24:36   (  -0.02,-137.10) (  -0.46,-135.25)  211.57                80
 05/01/2022   22:46:31   (   0.02,-137.08) (  -0.73,-140.55)  394.98                80
 05/02/2022   22:30:26   (   0.02,-137.06) (   0.27,-136.01)  120.06                80