Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 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)
 09/10/2022   10:34:29   (   0.06,-137.31) (  -0.01,-136.91)   45.55                80
 09/12/2022   22:35:02   (  -0.06,-137.31) (  -0.16,-137.69)   43.10                80
 09/13/2022   22:18:57   (  -0.06,-137.31) (   0.84,-133.15)  473.39                80
 09/15/2022   10:38:06   (   0.06,-137.32) (   0.28,-138.44)  126.55                80
 09/16/2022   10:22:02   (   0.06,-137.32) (  -0.72,-133.90)  389.40                80
 09/17/2022   22:41:18   (  -0.05,-137.30) (  -0.50,-139.20)  217.33                80
 09/18/2022   22:25:15   (  -0.05,-137.29) (   0.56,-134.68)  298.19                80
 09/20/2022   10:44:23   (   0.04,-137.29) (   0.62,-139.95)  303.09                80
 09/21/2022   10:28:19   (   0.04,-137.28) (  -0.38,-135.42)  212.05                80
 09/22/2022   22:47:35   (  -0.03,-137.25) (  -0.83,-140.72)  395.74                80
 09/23/2022   22:31:31   (  -0.03,-137.24) (   0.23,-136.20)  119.29                80