Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 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)
 06/15/2019   08:30:18   (  -0.04,-104.49) (   0.46,-106.59)  240.59                80
 06/16/2019   08:14:15   (  -0.02,-104.50) (  -0.59,-102.07)  276.89                80
 06/17/2019   20:33:32   (   0.06,-104.65) (  -0.56,-107.38)  312.02                80
 06/18/2019   20:17:28   (   0.04,-104.65) (   0.44,-102.85)  205.12                80
 06/20/2019   08:36:36   (  -0.07,-104.52) (   0.75,-108.12)  410.95                80
 06/21/2019   08:20:31   (  -0.06,-104.52) (  -0.25,-103.59)  106.68                80
 06/22/2019   20:39:50   (   0.09,-104.69) (  -0.84,-108.91)  481.20                80
 06/23/2019   20:23:45   (   0.07,-104.69) (   0.16,-104.38)   36.33                80
 06/26/2019   08:24:09   (  -0.08,-104.57) (   0.03,-105.11)   62.17                80
 06/27/2019   08:08:05   (  -0.07,-104.58) (  -0.97,-100.58)  455.57                80