Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2019   08:26:22   (   0.00,-104.28) (   0.15,-105.02)   84.03                80
 12/20/2019   08:04:57   (   0.01,-104.28) (  -0.86,-100.49)  432.52                80
 12/21/2019   20:26:51   (   0.00,-104.05) (  -0.40,-105.78)  197.28                80
 12/22/2019   20:10:46   (  -0.00,-104.05) (   0.61,-101.24)  320.31                80
 12/24/2019   08:32:34   (  -0.01,-104.30) (   0.47,-106.53)  253.00                80
 12/25/2019   08:11:09   (   0.01,-104.30) (  -0.53,-101.99)  263.65                80
 12/26/2019   20:33:03   (   0.01,-104.06) (  -0.72,-107.28)  367.68                80
 12/27/2019   20:16:57   (  -0.00,-104.06) (   0.29,-102.75)  149.81                80
 12/29/2019   08:38:45   (  -0.01,-104.33) (   0.85,-108.02)  421.89                80
 12/30/2019   08:17:19   (  -0.00,-104.33) (  -0.16,-103.49)   95.10                80
 01/01/2020   20:20:29   (   0.01,-104.08) (  -0.01,-104.25)   19.31                80