Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2023   18:31:02   (  -0.07, -75.21) (  -0.49, -77.15)  220.82                80
 09/06/2023   18:14:57   (  -0.07, -75.22) (   0.51, -72.62)  295.49                80
 09/08/2023   06:36:45   (   0.06, -75.21) (   0.67, -77.90)  306.04                80
 09/09/2023   06:15:21   (   0.06, -75.22) (  -0.34, -73.37)  210.50                80
 09/10/2023   18:37:18   (  -0.05, -75.23) (  -0.82, -78.68)  392.72                80
 09/11/2023   18:21:14   (  -0.04, -75.24) (   0.18, -74.15)  124.39                80
 09/13/2023   06:43:02   (   0.04, -75.25) (   0.98, -79.42)  475.59                80
 09/14/2023   06:21:38   (   0.04, -75.27) (  -0.03, -74.89)   42.04                80
 09/16/2023   18:24:50   (  -0.03, -75.31) (  -0.11, -75.68)   41.61                80
 09/17/2023   18:08:46   (  -0.03, -75.33) (   0.91, -71.15)  476.63                80