Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2022   10:40:25   (  -0.00,-137.32) (   0.20,-138.23)  103.59                80
 12/05/2022   10:19:01   (   0.00,-137.31) (  -0.79,-133.70)  411.62                80
 12/06/2022   22:41:01   (  -0.01,-137.30) (  -0.36,-139.01)  195.19                80
 12/07/2022   22:24:57   (  -0.01,-137.28) (   0.63,-134.48)  319.74                80
 12/09/2022   10:46:46   (   0.02,-137.27) (   0.59,-139.75)  282.95                80
 12/10/2022   10:25:23   (   0.02,-137.25) (  -0.40,-135.22)  231.48                80
 12/11/2022   22:47:22   (  -0.03,-137.23) (  -0.75,-140.53)  376.64                80
 12/12/2022   22:31:19   (  -0.03,-137.21) (   0.25,-136.00)  137.53                80
 12/14/2022   10:53:08   (   0.03,-137.19) (   0.97,-141.27)  465.93                80
 12/15/2022   10:31:46   (   0.03,-137.17) (  -0.09,-136.75)   48.01                80
 12/17/2022   22:35:00   (  -0.04,-137.11) (  -0.11,-137.53)   47.50                80