Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 5 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/25/2019   22:46:31   (   0.00,-137.19) (  -0.79,-140.61)  391.31                80
 05/26/2019   22:30:28   (   0.01,-137.18) (   0.26,-136.09)  124.78                80
 05/28/2019   10:52:16   (  -0.01,-137.20) (   0.94,-141.36)  474.24                80
 05/29/2019   10:30:53   (  -0.01,-137.19) (  -0.12,-136.84)   41.34                80
 05/31/2019   22:34:05   (   0.01,-137.15) (  -0.11,-137.60)   51.99                80
 06/01/2019   22:18:01   (   0.02,-137.14) (   0.95,-133.08)  463.15                80
 06/03/2019   10:39:50   (  -0.02,-137.14) (   0.25,-138.35)  137.47                80
 06/04/2019   10:18:25   (  -0.02,-137.13) (  -0.75,-133.82)  376.70                80
 06/05/2019   22:40:22   (   0.03,-137.07) (  -0.41,-139.13)  234.17                80
 06/06/2019   22:24:18   (   0.03,-137.05) (   0.59,-134.59)  279.88                80