Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 8 28.  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)
 08/28/2023   06:42:55   (   0.06, -75.21) (   1.00, -79.38)  475.22                80
 08/29/2023   06:21:31   (   0.06, -75.20) (   0.01, -74.84)   40.40                80
 08/31/2023   18:24:45   (  -0.05, -75.20) (  -0.13, -75.63)   49.29                80
 09/01/2023   18:08:40   (  -0.05, -75.20) (   0.86, -71.10)  467.21                80
 09/03/2023   06:30:29   (   0.05, -75.21) (   0.33, -76.37)  132.77                80
 09/04/2023   06:09:05   (   0.05, -75.22) (  -0.73, -71.86)  384.02                80
 09/05/2023   18:31:01   (  -0.05, -75.23) (  -0.50, -77.15)  220.24                80
 09/06/2023   18:14:58   (  -0.05, -75.24) (   0.56, -72.64)  296.78                80
 09/08/2023   06:36:46   (   0.04, -75.25) (   0.62, -77.91)  302.44                80
 09/09/2023   06:15:22   (   0.04, -75.26) (  -0.38, -73.38)  214.77                80
 09/10/2023   18:37:19   (  -0.03, -75.28) (  -0.78, -78.69)  388.76                80