Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 11 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)
 11/15/2018   08:05:34   (   0.11,-104.14) (  -0.71,-100.53)  412.09                80
 11/16/2018   20:27:31   (  -0.08,-104.02) (  -0.50,-105.83)  207.03                80
 11/17/2018   20:11:26   (  -0.09,-104.02) (   0.52,-101.30)  310.19                80
 11/19/2018   08:33:15   (   0.07,-104.16) (   0.61,-106.58)  275.97                80
 11/20/2018   08:11:50   (   0.09,-104.16) (  -0.41,-102.06)  239.80                80
 11/21/2018   20:33:46   (  -0.06,-104.01) (  -0.79,-107.36)  382.05                80
 11/22/2018   20:17:41   (  -0.07,-104.01) (   0.17,-102.82)  135.04                80
 11/24/2018   08:39:30   (   0.05,-104.17) (   0.91,-108.12)  448.95                80
 11/25/2018   08:18:05   (   0.07,-104.16) (  -0.06,-103.57)   66.45                80
 11/27/2018   20:21:17   (  -0.05,-103.98) (  -0.11,-104.35)   41.88                80
 11/28/2018   20:05:11   (  -0.06,-103.98) (   0.86, -99.81)  474.87                80