Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2021   06:10:34   (   0.01, -75.21) (  -0.75, -71.93)  373.91                80
 01/30/2021   18:32:30   (  -0.01, -75.21) (  -0.44, -77.23)  229.72                80
 01/31/2021   18:16:26   (  -0.00, -75.22) (   0.58, -72.71)  287.40                80
 02/02/2021   06:38:13   (  -0.00, -75.24) (   0.63, -77.97)  311.85                80
 02/03/2021   06:16:49   (  -0.00, -75.24) (  -0.40, -73.44)  205.33                80
 02/04/2021   18:38:45   (   0.00, -75.26) (  -0.78, -78.74)  397.61                80
 02/05/2021   18:22:41   (  -0.00, -75.27) (   0.24, -74.22)  120.17                80
 02/07/2021   06:44:28   (   0.01, -75.29) (   0.97, -79.48)  477.90                80
 02/08/2021   06:23:03   (   0.01, -75.30) (  -0.05, -74.95)   39.70                80
 02/10/2021   18:26:15   (  -0.00, -75.34) (  -0.09, -75.73)   44.77                80
 02/11/2021   18:10:11   (  -0.00, -75.36) (   0.94, -71.20)  473.82                80