Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2021 2 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2021   22:39:56   (   0.02,-137.24) (  -0.36,-139.10)  211.19                80
 02/03/2021   22:23:50   (   0.02,-137.24) (   0.60,-134.56)  304.87                80
 02/05/2021   10:45:38   (  -0.02,-137.23) (   0.55,-139.84)  297.11                80
 02/06/2021   10:24:13   (  -0.01,-137.22) (  -0.42,-135.30)  218.51                80
 02/07/2021   22:46:09   (  -0.01,-137.20) (  -0.76,-140.60)  386.87                80
 02/08/2021   22:30:05   (  -0.01,-137.19) (   0.27,-136.07)  128.21                80
 02/10/2021   10:51:52   (   0.01,-137.17) (   0.94,-141.34)  474.96                80
 02/11/2021   10:30:28   (   0.00,-137.16) (  -0.08,-136.81)   39.86                80
 02/13/2021   22:33:38   (  -0.00,-137.12) (  -0.12,-137.57)   51.88                80
 02/14/2021   22:17:34   (  -0.00,-137.11) (   0.91,-133.05)  462.96                80