Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/16/2019   20:27:25   (  -0.34,-104.29) (  -0.65,-105.74)  164.99                80
 09/17/2019   20:11:20   (  -0.34,-104.30) (   0.37,-101.21)  352.20                80
 09/19/2019   08:33:07   (   0.33,-104.21) (   0.83,-106.47)  257.31                80
 09/20/2019   08:11:43   (   0.33,-104.20) (  -0.20,-101.94)  257.80                80
 09/21/2019   20:33:39   (  -0.32,-104.26) (  -0.98,-107.25)  340.48                80
 09/22/2019   20:17:35   (  -0.32,-104.26) (   0.05,-102.72)  176.27                80
 09/24/2019   08:39:22   (   0.30,-104.20) (   1.16,-107.98)  430.72                80
 09/25/2019   08:17:58   (   0.31,-104.18) (   0.13,-103.45)   84.08                80
 09/27/2019   20:23:49   (  -0.30,-104.21) (  -0.27,-104.22)    3.14                80