Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2020   18:26:11   (  -0.01, -75.19) (  -0.13, -75.64)   52.09                80
 06/16/2020   18:10:07   (  -0.01, -75.20) (   0.91, -71.12)  465.59                80
 06/18/2020   06:31:54   (   0.00, -75.21) (   0.27, -76.38)  133.70                80
 06/19/2020   06:10:29   (  -0.00, -75.22) (  -0.77, -71.86)  383.88                80
 06/20/2020   18:32:25   (   0.01, -75.25) (  -0.45, -77.15)  217.68                80
 06/21/2020   18:16:20   (   0.01, -75.26) (   0.60, -72.62)  300.28                80
 06/23/2020   06:38:08   (  -0.01, -75.27) (   0.58, -77.89)  298.26                80
 06/24/2020   06:16:43   (  -0.01, -75.29) (  -0.46, -73.36)  219.79                80
 06/25/2020   18:38:38   (   0.01, -75.31) (  -0.75, -78.66)  381.27                80
 06/26/2020   18:22:34   (   0.01, -75.33) (   0.30, -74.13)  137.35                80
 06/28/2020   06:44:21   (  -0.00, -75.36) (   0.89, -79.40)  459.88                80