Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2021   06:24:21   (  -0.09, -75.21) (  -0.14, -75.10)   14.08                80
 10/08/2021   18:30:12   (   0.09, -75.24) (  -0.05, -75.86)   70.98                80
 10/09/2021   18:08:48   (   0.09, -75.25) (   0.96, -71.33)  446.36                80
 10/11/2021   06:33:16   (  -0.08, -75.26) (   0.21, -76.60)  153.08                80
 10/12/2021   06:11:52   (  -0.09, -75.26) (  -0.80, -72.07)  364.14                80
 10/13/2021   18:36:28   (   0.08, -75.29) (  -0.40, -77.37)  237.57                80
 10/14/2021   18:15:05   (   0.09, -75.30) (   0.67, -72.85)  280.27                80
 10/16/2021   06:39:32   (  -0.08, -75.32) (   0.56, -78.10)  317.68                80
 10/17/2021   06:18:08   (  -0.09, -75.34) (  -0.51, -73.59)  200.63                80
 10/18/2021   18:42:45   (   0.08, -75.38) (  -0.68, -78.89)  399.38                80