Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2020   20:29:27   (  -0.13,-104.12) (  -0.48,-105.78)  188.53                80
 04/12/2020   20:08:01   (  -0.14,-104.12) (   0.48,-101.24)  327.48                80
 04/14/2020   08:29:49   (   0.13,-104.14) (   0.66,-106.52)  270.75                80
 04/15/2020   08:13:45   (   0.14,-104.15) (  -0.37,-101.99)  246.65                80
 04/16/2020   20:35:41   (  -0.13,-104.15) (  -0.83,-107.29)  358.18                80
 04/17/2020   20:14:17   (  -0.14,-104.14) (   0.19,-102.76)  158.18                80
 04/19/2020   08:36:04   (   0.13,-104.15) (   1.01,-108.02)  441.79                80
 04/20/2020   08:20:00   (   0.14,-104.16) (  -0.01,-103.49)   75.95                80
 04/22/2020   20:23:11   (  -0.13,-104.18) (  -0.15,-104.27)    9.64                80