Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2019   08:26:53   (   0.34,-104.21) (   0.49,-104.97)   85.71                80
 09/15/2019   08:05:27   (   0.34,-104.20) (  -0.47,-100.43)  429.61                80
 09/16/2019   20:27:25   (  -0.33,-104.29) (  -0.65,-105.74)  165.81                80
 09/17/2019   20:11:20   (  -0.34,-104.29) (   0.38,-101.21)  351.35                80
 09/19/2019   08:33:07   (   0.33,-104.22) (   0.83,-106.47)  257.28                80
 09/20/2019   08:11:43   (   0.33,-104.20) (  -0.20,-101.94)  257.82                80
 09/21/2019   20:33:39   (  -0.32,-104.25) (  -0.98,-107.25)  341.43                80
 09/22/2019   20:17:35   (  -0.32,-104.25) (   0.05,-102.72)  175.28                80
 09/24/2019   08:39:22   (   0.30,-104.20) (   1.16,-107.98)  430.89                80
 09/25/2019   08:17:58   (   0.31,-104.18) (   0.13,-103.45)   83.89                80