Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/14/2019   20:21:09   (   0.03,-104.08) (  -0.07,-104.38)   35.09                80
 01/15/2019   20:05:04   (   0.02,-104.08) (   0.97, -99.85)  482.10                80
 01/17/2019   08:26:53   (  -0.02,-104.32) (   0.16,-105.13)   92.12                80
 01/18/2019   08:05:27   (  -0.02,-104.32) (  -0.83,-100.59)  424.33                80
 01/19/2019   20:27:22   (   0.02,-104.08) (  -0.38,-105.89)  206.53                80
 01/20/2019   20:11:17   (   0.01,-104.07) (   0.61,-101.35)  310.09                80
 01/22/2019   08:32:42   (  -0.01,-104.32) (   0.52,-106.63)  264.03                57
 01/23/2019   08:11:41   (  -0.01,-104.32) (  -0.52,-102.11)  252.38                80
 01/24/2019   20:33:35   (   0.01,-104.07) (  -0.73,-107.39)  378.75                80
 01/25/2019   20:17:31   (   0.01,-104.07) (   0.31,-102.87)  137.99                80