Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 2 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)
 02/13/2019   08:20:27   (   0.02,-104.38) (  -0.18,-103.59)   90.65                80
 02/15/2019   20:23:36   (  -0.03,-104.17) (  -0.09,-104.34)   20.05                80
 02/16/2019   20:02:11   (  -0.03,-104.17) (   0.96, -99.81)  496.57                80
 02/18/2019   08:23:59   (   0.04,-104.39) (   0.21,-105.08)   79.83                80
 02/19/2019   08:07:54   (   0.04,-104.39) (  -0.84,-100.56)  437.08                80
 02/20/2019   20:29:49   (  -0.04,-104.18) (  -0.41,-105.84)  189.70                80
 02/21/2019   20:08:23   (  -0.04,-104.18) (   0.58,-101.31)  326.92                80
 02/23/2019   08:30:11   (   0.04,-104.40) (   0.53,-106.59)  249.73                80
 02/24/2019   08:14:06   (   0.04,-104.40) (  -0.47,-102.05)  267.55                80
 02/25/2019   20:36:01   (  -0.05,-104.20) (  -0.73,-107.35)  357.99                80