Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2022   22:34:36   (   0.02,-137.19) (  -0.07,-137.61)   47.33                80
 01/16/2022   22:18:30   (   0.01,-137.20) (   0.92,-133.07)  470.06                80
 01/18/2022   10:37:35   (  -0.00,-137.20) (   0.27,-138.33)  128.73                80
 01/19/2022   10:21:30   (   0.01,-137.20) (  -0.78,-133.80)  388.37                80
 01/20/2022   22:40:44   (   0.01,-137.19) (  -0.40,-139.10)  216.83                80
 01/21/2022   22:24:38   (   0.02,-137.19) (   0.60,-134.56)  299.63                80
 01/23/2022   10:46:23   (  -0.02,-137.19) (   0.59,-139.82)  300.21                80
 01/24/2022   10:24:57   (  -0.02,-137.18) (  -0.46,-135.29)  215.93                80
 01/25/2022   22:46:51   (   0.02,-137.16) (  -0.77,-140.57)  390.08                80
 01/26/2022   22:30:44   (  -0.01,-137.14) (   0.22,-136.03)  126.31                80