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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2022   10:37:58   (  -0.01,-137.23) (   0.25,-138.41)  134.58                80
 01/03/2022   10:21:52   (  -0.01,-137.23) (  -0.74,-133.87)  382.40                80
 01/04/2022   22:41:07   (   0.01,-137.22) (  -0.40,-139.17)  222.02                80
 01/05/2022   22:25:01   (   0.01,-137.22) (   0.58,-134.63)  294.71                80
 01/07/2022   10:44:06   (  -0.02,-137.22) (   0.61,-139.89)  305.22                80
 01/08/2022   10:28:00   (  -0.02,-137.22) (  -0.44,-135.36)  211.49                80
 01/09/2022   22:47:15   (   0.02,-137.21) (  -0.75,-140.66)  393.15                80
 01/10/2022   22:31:08   (   0.02,-137.21) (   0.24,-136.12)  123.46                80
 01/12/2022   10:50:14   (  -0.01,-137.20) (   0.95,-141.38)  476.78                80
 01/13/2022   10:34:08   (   0.01,-137.19) (  -0.09,-136.85)   39.55                80