Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2020   06:38:15   (   0.04, -75.18) (   0.67, -77.96)  317.52                80
 03/20/2020   06:16:51   (   0.04, -75.18) (  -0.34, -73.43)  199.07                80
 03/21/2020   18:38:48   (  -0.04, -75.21) (  -0.81, -78.74)  402.87                80
 03/22/2020   18:22:44   (  -0.04, -75.21) (   0.20, -74.21)  114.35                80
 03/24/2020   06:44:31   (   0.04, -75.21) (   1.01, -79.47)  486.46                80
 03/25/2020   06:23:07   (   0.04, -75.22) (  -0.00, -74.94)   31.11                80
 03/27/2020   18:26:19   (  -0.04, -75.27) (  -0.13, -75.73)   52.11                80
 03/28/2020   18:10:15   (  -0.04, -75.28) (   0.88, -71.20)  465.81                80
 03/30/2020   06:32:03   (   0.03, -75.29) (   0.27, -76.47)  134.17                80
 03/31/2020   06:10:39   (   0.04, -75.30) (  -0.74, -71.94)  383.75                80