Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2019   20:11:17   (   0.09,-104.73) (   0.82,-101.35)  384.23                80
 07/01/2019   08:30:25   (  -0.13,-104.57) (   0.36,-106.62)  234.73                80
 07/02/2019   08:14:21   (  -0.11,-104.57) (  -0.65,-102.09)  282.49                80
 07/03/2019   20:33:39   (   0.15,-104.75) (  -0.45,-107.42)  303.70                80
 07/04/2019   20:17:35   (   0.13,-104.75) (   0.56,-102.88)  213.35                80
 07/06/2019   08:36:43   (  -0.16,-104.59) (   0.62,-108.15)  405.98                80
 07/07/2019   08:20:39   (  -0.15,-104.59) (  -0.39,-103.62)  111.31                80
 07/08/2019   20:39:56   (   0.18,-104.77) (  -0.77,-108.93)  474.44                80
 07/09/2019   20:23:51   (   0.16,-104.78) (   0.24,-104.40)   42.93                80
 07/12/2019   08:24:15   (  -0.18,-104.62) (  -0.08,-105.14)   58.77                80