Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2022   22:40:45   (   0.04,-137.22) (  -0.36,-139.11)  214.23                80
 01/21/2022   22:24:38   (   0.04,-137.22) (   0.64,-134.56)  303.16                80
 01/23/2022   10:46:24   (  -0.04,-137.23) (   0.54,-139.83)  295.93                80
 01/24/2022   10:24:57   (  -0.04,-137.23) (  -0.45,-135.28)  221.04                80
 01/25/2022   22:46:51   (   0.04,-137.22) (  -0.72,-140.58)  383.51                80
 01/26/2022   22:30:45   (   0.03,-137.21) (   0.27,-136.04)  133.01                80
 01/28/2022   10:52:30   (  -0.02,-137.20) (   0.91,-141.30)  467.48                80
 01/29/2022   10:31:04   (  -0.01,-137.19) (  -0.09,-136.76)   48.56                80
 01/31/2022   22:34:12   (  -0.02,-137.15) (  -0.07,-137.52)   41.70                80
 02/01/2022   22:18:05   (  -0.01,-137.14) (   0.93,-132.98)  473.80                80