Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2022   10:22:01   (   0.07,-137.30) (  -0.69,-133.90)  388.16                80
 09/17/2022   22:41:19   (  -0.06,-137.29) (  -0.47,-139.21)  217.71                80
 09/18/2022   22:25:14   (  -0.06,-137.28) (   0.53,-134.67)  297.56                80
 09/20/2022   10:44:22   (   0.05,-137.26) (   0.64,-139.94)  305.25                80
 09/21/2022   10:28:18   (   0.05,-137.25) (  -0.37,-135.41)  209.65                80
 09/22/2022   22:47:34   (  -0.04,-137.23) (  -0.84,-140.71)  397.31                80
 09/23/2022   22:31:31   (  -0.04,-137.22) (   0.22,-136.19)  117.52                80
 09/25/2022   10:50:38   (   0.03,-137.19) (   1.00,-141.45)  485.88                80
 09/26/2022   10:34:34   (   0.03,-137.17) (  -0.01,-136.92)   28.65                80
 09/28/2022   22:35:05   (  -0.03,-137.12) (  -0.18,-137.69)   65.19                80
 09/29/2022   22:19:01   (  -0.03,-137.10) (   0.84,-133.16)  448.60                80