Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2022   10:18:32   (  -0.04,-137.21) (  -0.80,-133.78)  390.21                80
 04/10/2022   22:43:08   (   0.03,-137.19) (  -0.36,-139.09)  215.39                80
 04/11/2022   22:21:43   (   0.03,-137.19) (   0.62,-134.55)  300.71                80
 04/13/2022   10:46:10   (  -0.03,-137.19) (   0.54,-139.82)  299.44                80
 04/14/2022   10:24:45   (  -0.03,-137.18) (  -0.44,-135.28)  216.31                80
 04/15/2022   22:49:20   (   0.02,-137.16) (  -0.77,-140.58)  390.31                80
 04/16/2022   22:27:56   (   0.03,-137.15) (   0.28,-136.05)  125.00                80
 04/18/2022   10:52:22   (  -0.02,-137.14) (   0.94,-141.31)  476.58                80
 04/19/2022   10:30:57   (  -0.03,-137.12) (  -0.11,-136.79)   38.08                80
 04/21/2022   22:36:47   (   0.02,-137.05) (  -0.10,-137.55)   56.22                80
 04/22/2022   22:18:02   (   0.02,-137.03) (   0.90,-133.01)  457.85                80