Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2019   08:33:11   (  -0.02,-104.29) (   0.51,-106.64)  267.83                80
 01/07/2019   08:11:46   (  -0.01,-104.29) (  -0.53,-102.12)  248.65                80
 01/08/2019   20:33:40   (   0.02,-104.06) (  -0.75,-107.40)  380.83                80
 01/09/2019   20:17:36   (   0.02,-104.07) (   0.29,-102.87)  136.25                80
 01/11/2019   08:39:24   (  -0.03,-104.31) (   0.84,-108.15)  438.30                80
 01/12/2019   08:18:00   (  -0.02,-104.31) (  -0.20,-103.63)   78.43                80
 01/14/2019   20:21:10   (   0.03,-104.08) (  -0.03,-104.39)   34.53                80
 01/15/2019   20:05:04   (   0.02,-104.08) (   0.95, -99.85)  482.51                80
 01/17/2019   08:26:53   (  -0.02,-104.33) (   0.13,-105.14)   91.94                80
 01/18/2019   08:05:28   (  -0.01,-104.33) (  -0.85,-100.60)  424.57                80