Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 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)
 09/20/2022   10:44:23   (   0.06,-137.33) (   0.63,-139.95)  298.30                80
 09/21/2022   10:28:18   (   0.05,-137.32) (  -0.38,-135.41)  217.70                80
 09/22/2022   22:47:35   (  -0.05,-137.32) (  -0.78,-140.72)  387.47                80
 09/23/2022   22:31:31   (  -0.04,-137.31) (   0.23,-136.19)  128.42                80
 09/25/2022   10:50:38   (   0.04,-137.30) (   1.00,-141.45)  473.44                80
 09/26/2022   10:34:34   (   0.04,-137.30) (  -0.01,-136.92)   42.27                80
 09/28/2022   22:35:07   (  -0.04,-137.27) (  -0.12,-137.70)   48.80                80
 09/29/2022   22:19:02   (  -0.04,-137.25) (   0.89,-133.17)  466.05                80
 10/01/2022   10:38:09   (   0.04,-137.22) (   0.33,-138.43)  137.83                80
 10/02/2022   10:22:05   (   0.04,-137.20) (  -0.68,-133.90)  376.24                80
 10/03/2022   22:41:22   (  -0.03,-137.17) (  -0.46,-139.21)  232.21                80