Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2022   10:52:54   (  -0.04,-137.20) (   0.91,-141.39)  477.14                80
 01/13/2022   10:31:29   (  -0.03,-137.21) (  -0.14,-136.86)   41.02                80
 01/15/2022   22:34:37   (   0.02,-137.22) (  -0.06,-137.61)   44.09                80
 01/16/2022   22:18:30   (   0.01,-137.23) (   0.93,-133.07)  473.50                80
 01/18/2022   10:40:15   (  -0.01,-137.23) (   0.25,-138.33)  125.42                80
 01/19/2022   10:18:49   (   0.00,-137.23) (  -0.74,-133.79)  391.71                80
 01/20/2022   22:40:44   (   0.02,-137.23) (  -0.38,-139.10)  213.16                80
 01/21/2022   22:24:38   (   0.02,-137.23) (   0.61,-134.56)  303.76                80
 01/23/2022   10:46:23   (  -0.02,-137.23) (   0.57,-139.82)  295.99                80
 01/24/2022   10:24:58   (  -0.02,-137.22) (  -0.48,-135.29)  220.32                80
 01/25/2022   22:46:51   (   0.02,-137.20) (  -0.75,-140.58)  385.23                80