Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2022   10:40:16   (  -0.03,-137.21) (   0.20,-138.34)  127.95                80
 01/19/2022   10:18:50   (  -0.03,-137.22) (  -0.79,-133.80)  389.22                80
 01/20/2022   22:40:44   (   0.03,-137.21) (  -0.39,-139.10)  215.11                80
 01/21/2022   22:24:38   (   0.03,-137.21) (   0.60,-134.56)  301.88                80
 01/23/2022   10:46:23   (  -0.03,-137.21) (   0.58,-139.82)  297.43                80
 01/24/2022   10:24:57   (  -0.03,-137.21) (  -0.47,-135.29)  219.14                80
 01/25/2022   22:46:52   (   0.03,-137.19) (  -0.70,-140.59)  386.31                80
 01/26/2022   22:30:45   (   0.02,-137.18) (   0.30,-136.05)  129.83                80
 01/28/2022   10:52:30   (   0.00,-137.17) (   0.94,-141.30)  470.42                80
 01/29/2022   10:31:03   (   0.02,-137.16) (  -0.05,-136.75)   45.30                80