Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 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)
 01/17/2019   08:26:53   (  -0.02,-104.33) (   0.14,-105.13)   91.71                80
 01/18/2019   08:05:27   (  -0.02,-104.32) (  -0.84,-100.59)  424.86                80
 01/19/2019   20:27:23   (   0.02,-104.08) (  -0.37,-105.89)  205.77                80
 01/20/2019   20:11:17   (   0.01,-104.08) (   0.61,-101.35)  311.01                80
 01/22/2019   08:33:06   (  -0.01,-104.33) (   0.51,-106.63)  262.90                80
 01/23/2019   08:11:41   (  -0.01,-104.33) (  -0.53,-102.11)  253.63                80
 01/24/2019   20:33:35   (   0.02,-104.08) (  -0.73,-107.39)  377.36                80
 01/25/2019   20:17:31   (   0.02,-104.09) (   0.31,-102.87)  139.51                80
 01/27/2019   08:36:39   (  -0.02,-104.34) (   0.82,-108.15)  433.62                80
 01/28/2019   08:17:54   (  -0.01,-104.34) (  -0.16,-103.61)   83.35                80