Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2020   18:26:23   (   0.01, -75.20) (  -0.11, -75.67)   53.22                80
 07/18/2020   18:10:20   (   0.01, -75.21) (   0.94, -71.14)  463.30                80
 07/20/2020   06:32:08   (  -0.01, -75.20) (   0.25, -76.41)  137.78                80
 07/21/2020   06:10:43   (  -0.01, -75.21) (  -0.73, -71.88)  378.90                80
 07/22/2020   18:32:41   (   0.01, -75.22) (  -0.45, -77.18)  224.31                80
 07/23/2020   18:16:37   (   0.00, -75.23) (   0.60, -72.66)  292.87                80
 07/25/2020   06:35:45   (  -0.00, -75.23) (   0.59, -77.93)  307.00                80
 07/26/2020   06:19:41   (   0.00, -75.24) (  -0.40, -73.40)  210.44                80
 07/27/2020   18:38:58   (   0.00, -75.27) (  -0.78, -78.70)  391.95                80
 07/28/2020   18:22:55   (   0.00, -75.28) (   0.27, -74.18)  125.76                80