Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2022   10:49:50   (  -0.04,-137.21) (   0.89,-141.31)  466.82                80
 01/29/2022   10:33:44   (  -0.03,-137.20) (  -0.11,-136.77)   49.50                80
 01/31/2022   22:34:12   (   0.03,-137.18) (  -0.06,-137.52)   39.16                80
 02/01/2022   22:18:06   (   0.03,-137.17) (   1.00,-133.00)  476.74                80
 02/03/2022   10:39:51   (  -0.03,-137.15) (   0.24,-138.25)  125.26                80
 02/04/2022   10:18:25   (  -0.03,-137.14) (  -0.82,-133.72)  390.59                80
 02/05/2022   22:40:18   (   0.03,-137.13) (  -0.40,-139.01)  214.25                80
 02/06/2022   22:24:12   (   0.03,-137.11) (   0.60,-134.47)  301.41                80
 02/08/2022   10:45:57   (  -0.02,-137.09) (   0.58,-139.73)  301.20                80
 02/09/2022   10:24:31   (  -0.02,-137.07) (  -0.42,-135.19)  214.03                80
 02/10/2022   22:46:24   (  -0.00,-137.04) (  -0.78,-140.48)  391.58                80