Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2022   22:25:19   (  -0.01,-137.34) (   0.61,-134.53)  319.98                80
 12/25/2022   10:47:08   (   0.02,-137.33) (   0.58,-139.80)  281.55                80
 12/26/2022   10:25:45   (   0.02,-137.32) (  -0.43,-135.27)  233.93                80
 12/27/2022   22:50:23   (  -0.02,-137.32) (  -0.75,-140.58)  371.96                80
 12/28/2022   22:28:59   (  -0.01,-137.31) (   0.26,-136.05)  143.42                80
 12/30/2022   10:53:29   (   0.02,-137.30) (   0.92,-141.32)  458.42                80
 12/31/2022   10:32:05   (   0.02,-137.29) (  -0.10,-136.79)   56.77                80
 01/02/2023   22:37:59   (  -0.02,-137.26) (  -0.12,-137.56)   34.90                80
 01/03/2023   22:16:36   (  -0.02,-137.25) (   0.90,-133.03)  479.88                80
 01/05/2023   10:41:05   (   0.03,-137.22) (   0.27,-138.30)  123.34                80