Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2019   08:36:02   (   0.11,-104.40) (   0.91,-107.99)  409.63                80
 04/02/2019   08:19:56   (   0.12,-104.41) (  -0.09,-103.46)  107.81                80
 04/04/2019   20:20:26   (  -0.12,-104.34) (  -0.10,-104.22)   13.15                80
 04/07/2019   08:23:28   (   0.12,-104.41) (   0.22,-104.96)   62.35                80
 04/08/2019   08:07:23   (   0.12,-104.41) (  -0.79,-100.42)  455.06                80
 04/09/2019   20:29:18   (  -0.12,-104.35) (  -0.40,-105.72)  155.64                80
 04/10/2019   20:07:53   (  -0.12,-104.34) (   0.61,-101.19)  360.42                80
 04/12/2019   08:29:39   (   0.12,-104.39) (   0.58,-106.45)  234.10                80
 04/13/2019   08:13:33   (   0.13,-104.40) (  -0.43,-101.91)  282.96                80