Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2020   18:32:41   (   0.02, -75.20) (  -0.45, -77.18)  226.74                80
 07/23/2020   18:16:37   (   0.02, -75.19) (   0.59, -72.66)  289.00                80
 07/25/2020   06:35:45   (  -0.02, -75.18) (   0.59, -77.93)  312.80                80
 07/26/2020   06:19:41   (  -0.01, -75.18) (  -0.40, -73.39)  203.24                80
 07/27/2020   18:38:58   (   0.02, -75.18) (  -0.79, -78.70)  401.61                80
 07/28/2020   18:22:55   (   0.02, -75.18) (   0.26, -74.18)  114.68                80
 07/30/2020   06:42:03   (  -0.03, -75.18) (   0.92, -79.45)  486.34                80
 07/31/2020   06:25:59   (  -0.02, -75.18) (  -0.07, -74.91)   30.14                80
 08/02/2020   18:26:32   (   0.03, -75.19) (  -0.06, -75.70)   57.22                80
 08/03/2020   18:10:28   (   0.03, -75.20) (   0.93, -71.16)  459.99                80