Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/13/2019   08:38:56   (   0.01,-104.28) (   0.82,-108.05)  429.20                80
 12/14/2019   08:17:31   (   0.02,-104.27) (  -0.18,-103.52)   86.88                80
 12/16/2019   20:20:39   (  -0.01,-104.04) (  -0.08,-104.27)   27.02                80
 12/17/2019   20:04:34   (  -0.02,-104.04) (   0.92, -99.73)  490.15                80
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.16,-105.02)   84.64                80
 12/20/2019   08:04:57   (   0.01,-104.27) (  -0.84,-100.49)  431.55                80
 12/21/2019   20:26:51   (   0.00,-104.03) (  -0.41,-105.77)  199.79                80
 12/22/2019   20:10:46   (  -0.00,-104.03) (   0.60,-101.24)  317.49                80
 12/24/2019   08:32:34   (  -0.01,-104.29) (   0.48,-106.53)  255.32                80
 12/25/2019   08:11:08   (   0.00,-104.28) (  -0.52,-101.99)  260.99                80