Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 11 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/20/2019   18:26:43   (   0.00, -75.19) (  -0.11, -75.75)   62.80                80
 11/21/2019   18:10:38   (   0.00, -75.19) (   0.88, -71.21)  453.70                80
 11/23/2019   06:32:25   (  -0.00, -75.19) (   0.27, -76.48)  147.17                80
 11/24/2019   06:10:59   (  -0.00, -75.19) (  -0.72, -71.95)  369.64                80
 11/25/2019   18:32:55   (  -0.00, -75.20) (  -0.48, -77.25)  233.40                80
 11/26/2019   18:16:50   (  -0.00, -75.21) (   0.57, -72.72)  283.84                80
 11/28/2019   06:38:37   (   0.01, -75.22) (   0.64, -77.99)  315.85                80
 11/29/2019   06:17:11   (   0.02, -75.22) (  -0.36, -73.45)  201.64                80
 11/30/2019   18:39:07   (  -0.02, -75.24) (  -0.79, -78.76)  400.49                80
 12/01/2019   18:23:02   (  -0.02, -75.26) (   0.21, -74.23)  117.44                80
 12/03/2019   06:44:48   (   0.02, -75.27) (   0.99, -79.49)  480.88                80