Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2019   20:33:02   (   0.00,-104.04) (  -0.74,-107.28)  369.01                80
 12/27/2019   20:16:57   (  -0.00,-104.04) (   0.27,-102.74)  148.17                80
 12/29/2019   08:38:45   (  -0.01,-104.30) (   0.81,-108.03)  424.60                80
 12/30/2019   08:17:20   (  -0.00,-104.30) (  -0.20,-103.49)   92.05                80
 01/01/2020   20:20:29   (   0.01,-104.05) (  -0.04,-104.25)   22.49                80
 01/02/2020   20:04:23   (   0.00,-104.06) (   0.97, -99.71)  494.96                80
 01/04/2020   08:26:11   (  -0.01,-104.32) (   0.11,-105.00)   76.90                80
 01/05/2020   08:04:46   (  -0.01,-104.32) (  -0.90,-100.47)  440.04                80
 01/06/2020   20:26:40   (   0.01,-104.06) (  -0.34,-105.76)  192.17                80
 01/07/2020   20:10:35   (   0.01,-104.07) (   0.67,-101.22)  325.10                80