Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2019   20:08:24   (  -0.03,-104.19) (   0.60,-101.31)  327.97                80
 02/23/2019   08:30:12   (   0.04,-104.40) (   0.52,-106.59)  250.12                80
 02/24/2019   08:14:06   (   0.03,-104.40) (  -0.46,-102.05)  267.18                80
 02/25/2019   20:36:02   (  -0.04,-104.22) (  -0.76,-107.35)  357.07                80
 02/26/2019   20:14:37   (  -0.04,-104.22) (   0.27,-102.82)  159.62                80
 02/28/2019   08:36:26   (   0.05,-104.42) (   0.87,-108.10)  419.37                80
 03/01/2019   08:20:21   (   0.05,-104.43) (  -0.15,-103.57)   97.93                80
 03/03/2019   20:23:32   (  -0.06,-104.26) (  -0.07,-104.33)    8.56                80
 03/06/2019   08:23:56   (   0.06,-104.46) (   0.22,-105.08)   71.30                80
 03/07/2019   08:07:52   (   0.06,-104.47) (  -0.85,-100.56)  446.13                80