Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2021   06:38:13   (   0.01, -75.20) (   0.62, -77.96)  314.67                80
 01/18/2021   06:16:48   (   0.00, -75.20) (  -0.40, -73.43)  202.25                80
 01/19/2021   18:38:45   (  -0.00, -75.22) (  -0.80, -78.73)  400.29                80
 01/20/2021   18:22:40   (  -0.00, -75.24) (   0.22, -74.20)  117.38                80
 01/22/2021   06:44:28   (   0.01, -75.25) (   0.93, -79.48)  481.28                80
 01/23/2021   06:23:03   (   0.01, -75.26) (  -0.03, -74.94)   36.52                80
 01/25/2021   18:26:16   (  -0.01, -75.30) (  -0.08, -75.73)   47.93                80
 01/26/2021   18:10:11   (  -0.00, -75.32) (   0.94, -71.20)  470.17                80
 01/28/2021   06:31:59   (   0.00, -75.34) (   0.27, -76.46)  128.06                80
 01/29/2021   06:10:34   (   0.00, -75.36) (  -0.75, -71.93)  390.06                80