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)
 08/29/2023   06:21:32   (   0.06, -75.20) (  -0.04, -74.85)   40.31                80
 08/31/2023   18:24:45   (  -0.05, -75.20) (  -0.14, -75.63)   49.12                80
 09/01/2023   18:08:40   (  -0.05, -75.20) (   0.85, -71.10)  467.36                80
 09/03/2023   06:30:29   (   0.05, -75.21) (   0.34, -76.37)  132.74                80
 09/04/2023   06:09:05   (   0.05, -75.22) (  -0.72, -71.85)  384.07                80
 09/05/2023   18:31:01   (  -0.05, -75.23) (  -0.51, -77.15)  220.04                80
 09/06/2023   18:14:58   (  -0.05, -75.24) (   0.55, -72.63)  297.00                80
 09/08/2023   06:36:46   (   0.04, -75.25) (   0.63, -77.91)  302.31                80
 09/09/2023   06:15:22   (   0.04, -75.26) (  -0.37, -73.38)  214.92                80
 09/10/2023   18:37:19   (  -0.03, -75.28) (  -0.79, -78.69)  388.46                80