Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2022   22:30:45   (   0.04,-137.23) (   0.30,-136.05)  134.07                80
 01/28/2022   10:49:51   (  -0.04,-137.21) (   0.88,-141.31)  467.45                80
 01/29/2022   10:33:44   (  -0.03,-137.20) (  -0.12,-136.77)   48.66                80
 01/31/2022   22:34:12   (   0.03,-137.18) (  -0.05,-137.53)   40.20                80
 02/01/2022   22:18:05   (   0.03,-137.16) (   0.95,-132.99)  475.48                80
 02/03/2022   10:39:51   (  -0.03,-137.14) (   0.23,-138.25)  126.92                80
 02/04/2022   10:18:24   (  -0.03,-137.12) (  -0.77,-133.71)  388.77                80
 02/05/2022   22:40:19   (   0.03,-137.11) (  -0.39,-139.01)  216.17                80
 02/06/2022   22:24:12   (   0.03,-137.10) (   0.61,-134.47)  299.32                80
 02/08/2022   10:45:57   (  -0.02,-137.06) (   0.57,-139.73)  303.71                80