Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/14/2020   06:44:34   (   0.00, -75.19) (   0.96, -79.42)  481.60                80
 07/15/2020   06:23:10   (  -0.00, -75.19) (  -0.08, -74.89)   34.55                80
 07/17/2020   18:26:23   (   0.01, -75.20) (  -0.11, -75.67)   53.58                80
 07/18/2020   18:10:19   (   0.01, -75.20) (   0.93, -71.14)  462.90                80
 07/20/2020   06:32:08   (  -0.01, -75.20) (   0.26, -76.41)  138.00                80
 07/21/2020   06:10:43   (  -0.01, -75.20) (  -0.73, -71.88)  378.61                80
 07/22/2020   18:32:41   (   0.01, -75.21) (  -0.46, -77.18)  224.89                80
 07/23/2020   18:16:37   (   0.00, -75.22) (   0.59, -72.66)  292.25                80
 07/25/2020   06:38:25   (   0.00, -75.23) (   0.60, -77.93)  307.38                80
 07/26/2020   06:17:01   (   0.01, -75.24) (  -0.39, -73.39)  209.99                80