Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2019   20:23:36   (  -0.03,-104.17) (  -0.06,-104.34)   19.92                80
 02/16/2019   20:02:11   (  -0.03,-104.17) (   0.93, -99.81)  496.57                80
 02/18/2019   08:23:59   (   0.04,-104.38) (   0.18,-105.09)   79.94                80
 02/19/2019   08:07:54   (   0.03,-104.39) (  -0.81,-100.55)  436.93                80
 02/20/2019   20:29:49   (  -0.04,-104.18) (  -0.39,-105.85)  189.88                80
 02/21/2019   20:08:23   (  -0.04,-104.18) (   0.61,-101.31)  326.72                80
 02/23/2019   08:30:11   (   0.04,-104.39) (   0.56,-106.58)  250.06                80
 02/24/2019   08:14:06   (   0.04,-104.40) (  -0.50,-102.06)  267.21                80
 02/25/2019   20:36:01   (  -0.05,-104.20) (  -0.76,-107.34)  358.32                80
 02/26/2019   20:14:35   (  -0.04,-104.20) (   0.24,-102.81)  158.36                80