Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 4.  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)
 03/05/2023   06:44:39   (  -0.07, -75.20) (   0.88, -79.55)  495.67                80
 03/06/2023   06:23:14   (  -0.06, -75.20) (  -0.10, -75.02)   21.32                80
 03/08/2023   18:26:25   (   0.06, -75.22) (  -0.07, -75.79)   64.84                80
 03/09/2023   18:10:20   (   0.06, -75.23) (   0.98, -71.27)  452.80                80
 03/11/2023   06:32:06   (  -0.06, -75.26) (   0.25, -76.53)  145.34                80
 03/12/2023   06:10:42   (  -0.06, -75.27) (  -0.81, -72.01)  372.32                80
 03/13/2023   18:32:37   (   0.06, -75.28) (  -0.39, -77.31)  230.70                80
 03/14/2023   18:16:32   (   0.05, -75.29) (   0.61, -72.77)  287.14                80
 03/16/2023   06:38:19   (  -0.05, -75.32) (   0.54, -78.05)  310.52                80
 03/17/2023   06:16:54   (  -0.04, -75.33) (  -0.46, -73.51)  207.45                80
 03/18/2023   18:41:29   (   0.03, -75.35) (  -0.71, -78.82)  394.87                80