Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2019   08:39:22   (   0.30,-104.21) (   1.17,-107.97)  429.35                80
 09/25/2019   08:17:57   (   0.31,-104.20) (   0.14,-103.44)   85.88                80
 09/27/2019   20:23:49   (  -0.30,-104.25) (  -0.29,-104.22)    3.49                80
 09/30/2019   08:26:52   (   0.29,-104.21) (   0.46,-104.95)   84.78                80
 10/01/2019   08:05:28   (   0.30,-104.20) (  -0.57,-100.42)  430.83                80
 10/02/2019   20:27:24   (  -0.28,-104.23) (  -0.60,-105.72)  170.02                80
 10/03/2019   20:11:18   (  -0.29,-104.24) (   0.37,-101.18)  347.48                80
 10/05/2019   08:33:07   (   0.27,-104.22) (   0.78,-106.46)  255.28                80
 10/06/2019   08:11:42   (   0.28,-104.21) (  -0.25,-101.93)  260.29                80
 10/07/2019   20:33:39   (  -0.25,-104.21) (  -0.91,-107.23)  343.97                80