Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2019   20:17:36   (   0.02,-104.06) (   0.31,-102.88)  135.98                80
 01/11/2019   08:39:24   (  -0.03,-104.31) (   0.82,-108.16)  438.69                80
 01/12/2019   08:17:59   (  -0.02,-104.31) (  -0.16,-103.62)   77.95                80
 01/14/2019   20:21:10   (   0.03,-104.07) (  -0.01,-104.39)   35.32                80
 01/15/2019   20:05:04   (   0.02,-104.08) (   0.97, -99.85)  481.79                80
 01/17/2019   08:26:53   (  -0.02,-104.32) (   0.16,-105.13)   92.69                80
 01/18/2019   08:05:27   (  -0.01,-104.31) (  -0.82,-100.59)  423.70                80
 01/19/2019   20:27:22   (   0.02,-104.07) (  -0.38,-105.89)  207.12                80
 01/20/2019   20:11:17   (   0.01,-104.07) (   0.60,-101.35)  309.42                80
 01/22/2019   08:30:25   (  -0.01,-104.31) (   0.53,-106.63)  265.04                80