Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 2 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)
 02/20/2019   20:29:49   (  -0.03,-104.19) (  -0.41,-105.84)  188.78                80
 02/21/2019   20:08:24   (  -0.03,-104.19) (   0.64,-101.32)  328.06                80
 02/23/2019   08:30:11   (   0.03,-104.40) (   0.52,-106.59)  249.38                80
 02/24/2019   08:14:06   (   0.03,-104.41) (  -0.47,-102.05)  268.06                80
 02/25/2019   20:36:01   (  -0.04,-104.22) (  -0.73,-107.35)  356.34                80
 02/26/2019   20:14:36   (  -0.04,-104.22) (   0.27,-102.81)  160.55                80
 02/28/2019   08:36:23   (   0.05,-104.43) (   0.89,-108.08)  417.62                80
 03/01/2019   08:20:19   (   0.05,-104.43) (  -0.16,-103.56)   99.97                80
 03/03/2019   20:23:28   (  -0.05,-104.26) (  -0.04,-104.32)    6.93                80