Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 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)
 10/03/2019   10:52:37   (  -0.00,-137.20) (   0.95,-141.33)  472.26                80
 10/04/2019   10:31:13   (  -0.00,-137.19) (  -0.08,-136.81)   43.31                80
 10/06/2019   22:37:04   (   0.00,-137.16) (  -0.10,-137.58)   48.47                80
 10/07/2019   22:15:39   (   0.01,-137.15) (   0.93,-133.06)  466.60                80
 10/09/2019   10:40:06   (  -0.01,-137.14) (   0.26,-138.33)  135.32                80
 10/10/2019   10:18:42   (  -0.01,-137.13) (  -0.78,-133.80)  379.55                80
 10/11/2019   22:43:17   (   0.00,-137.10) (  -0.44,-139.10)  228.05                80
 10/12/2019   22:21:52   (  -0.02,-137.08) (   0.54,-134.56)  287.20                80
 10/14/2019   10:43:39   (   0.03,-137.07) (   0.65,-139.83)  315.43                80
 10/15/2019   10:27:35   (   0.03,-137.05) (  -0.39,-135.31)  198.87                80