Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 8 17.  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)
 08/18/2023   06:30:20   (   0.04, -75.20) (   0.28, -76.33)  127.78                80
 08/19/2023   06:08:56   (   0.04, -75.21) (  -0.70, -71.79)  388.58                80
 08/20/2023   18:30:53   (  -0.04, -75.22) (  -0.49, -77.10)  215.07                80
 08/21/2023   18:14:49   (  -0.04, -75.23) (   0.55, -72.58)  301.62                80
 08/23/2023   06:36:39   (   0.04, -75.23) (   0.60, -77.86)  299.29                80
 08/24/2023   06:15:14   (   0.04, -75.24) (  -0.38, -73.33)  217.35                80
 08/25/2023   18:37:12   (  -0.03, -75.25) (  -0.80, -78.64)  386.26                80
 08/26/2023   18:21:08   (  -0.02, -75.26) (   0.25, -74.12)  130.36                80
 08/28/2023   06:42:57   (   0.00, -75.27) (   0.90, -79.40)  470.72                80
 08/29/2023   06:21:33   (  -0.00, -75.27) (  -0.09, -74.87)   46.19                80