Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/03/2022   10:21:52   (  -0.01,-137.23) (  -0.75,-133.87)  382.41                80
 01/04/2022   22:41:06   (   0.01,-137.22) (  -0.44,-139.17)  222.08                80
 01/05/2022   22:25:01   (   0.02,-137.22) (   0.60,-134.64)  294.61                80
 01/07/2022   10:44:06   (  -0.02,-137.22) (   0.59,-139.90)  305.26                80
 01/08/2022   10:28:01   (  -0.02,-137.22) (  -0.46,-135.37)  211.44                80
 01/09/2022   22:47:15   (   0.02,-137.21) (  -0.73,-140.66)  393.27                80
 01/10/2022   22:31:09   (   0.02,-137.21) (   0.26,-136.12)  123.30                80
 01/12/2022   10:50:14   (  -0.01,-137.20) (   0.93,-141.38)  476.86                80
 01/13/2022   10:34:07   (   0.01,-137.19) (  -0.05,-136.84)   39.48                80
 01/15/2022   22:34:36   (  -0.01,-137.16) (  -0.08,-137.61)   51.09                80