Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/03/2021   06:23:52   (  -0.10, -75.21) (  -0.13, -75.06)   16.92                80
 08/05/2021   18:27:06   (   0.12, -75.25) (  -0.02, -75.85)   68.12                80
 08/06/2021   18:11:03   (   0.11, -75.26) (   1.03, -71.33)  449.42                80
 08/08/2021   06:32:51   (  -0.13, -75.27) (   0.17, -76.59)  150.58                80
 08/09/2021   06:14:07   (  -0.12, -75.28) (  -0.82, -72.06)  367.17                80
 08/10/2021   18:33:25   (   0.13, -75.32) (  -0.31, -77.38)  234.25                80
 08/11/2021   18:17:20   (   0.13, -75.34) (   0.68, -72.84)  284.11                80
 08/13/2021   06:39:10   (  -0.14, -75.36) (   0.46, -78.12)  314.40                80
 08/14/2021   06:17:45   (  -0.13, -75.38) (  -0.53, -73.59)  203.97                80
 08/15/2021   18:39:43   (   0.14, -75.41) (  -0.66, -78.89)  397.12                80
 08/16/2021   18:23:39   (   0.14, -75.43) (   0.39, -74.37)  121.45                80