Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2019   08:33:05   (  -0.01,-104.33) (   0.52,-106.63)  262.27                80
 01/23/2019   08:11:41   (  -0.01,-104.34) (  -0.52,-102.11)  254.46                80
 01/24/2019   20:33:35   (   0.02,-104.10) (  -0.74,-107.39)  375.56                80
 01/25/2019   20:17:31   (   0.02,-104.11) (   0.30,-102.86)  141.56                80
 01/27/2019   08:36:39   (  -0.02,-104.36) (   0.83,-108.15)  431.67                80
 01/28/2019   08:17:54   (  -0.02,-104.36) (  -0.16,-103.61)   85.57                80
 01/30/2019   20:21:03   (   0.00,-104.13) (  -0.06,-104.37)   26.79                80
 01/31/2019   20:04:58   (  -0.01,-104.14) (   0.93, -99.83)  490.69                80
 02/02/2019   08:24:06   (   0.01,-104.39) (   0.20,-105.11)   82.33                80
 02/03/2019   08:05:22   (   0.01,-104.40) (  -0.84,-100.58)  434.83                80