Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 19.  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)
 02/20/2023   18:26:27   (   0.06, -75.21) (  -0.05, -75.76)   63.11                80
 02/21/2023   18:10:22   (   0.06, -75.22) (   0.96, -71.23)  454.09                80
 02/23/2023   06:32:10   (  -0.05, -75.23) (   0.25, -76.50)  145.55                80
 02/24/2023   06:10:45   (  -0.05, -75.24) (  -0.77, -71.97)  371.99                80
 02/25/2023   18:32:42   (   0.05, -75.27) (  -0.42, -77.28)  229.99                80
 02/26/2023   18:16:37   (   0.05, -75.28) (   0.61, -72.76)  287.99                80
 02/28/2023   06:38:24   (  -0.04, -75.31) (   0.59, -78.02)  310.49                80
 03/01/2023   06:17:00   (  -0.04, -75.32) (  -0.44, -73.50)  207.68                80
 03/02/2023   18:41:36   (   0.03, -75.35) (  -0.73, -78.81)  393.39                80
 03/03/2023   18:20:11   (   0.03, -75.38) (   0.25, -74.27)  125.37                80