Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 12 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2018   08:39:28   (  -0.02,-104.27) (   0.84,-108.15)  442.90                80
 12/27/2018   08:18:02   (  -0.01,-104.26) (  -0.13,-103.61)   73.49                80
 12/29/2018   20:21:13   (   0.02,-104.05) (  -0.06,-104.38)   38.22                80
 12/30/2018   20:05:09   (   0.01,-104.06) (   0.97, -99.86)  479.31                80
 01/01/2019   08:26:57   (  -0.02,-104.30) (   0.16,-105.14)   95.74                80
 01/02/2019   08:05:32   (  -0.01,-104.30) (  -0.82,-100.60)  420.99                80
 01/03/2019   20:27:27   (   0.02,-104.07) (  -0.40,-105.89)  208.33                80
 01/04/2019   20:11:23   (   0.01,-104.08) (   0.63,-101.37)  309.20                80
 01/06/2019   08:33:11   (  -0.02,-104.33) (   0.50,-106.65)  264.46                80
 01/07/2019   08:11:46   (  -0.01,-104.33) (  -0.54,-102.12)  252.40                80