Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 2.  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)
 03/02/2023   18:38:56   (   0.07, -75.18) (  -0.76, -78.80)  412.78                80
 03/03/2023   18:22:51   (   0.06, -75.19) (   0.27, -74.28)  103.87                80
 03/05/2023   06:44:39   (  -0.06, -75.20) (   0.91, -79.55)  495.30                80
 03/06/2023   06:23:14   (  -0.06, -75.21) (  -0.13, -75.02)   21.92                80
 03/08/2023   18:26:25   (   0.05, -75.22) (  -0.05, -75.80)   64.84                80
 03/09/2023   18:10:20   (   0.05, -75.23) (   0.93, -71.26)  452.83                80
 03/11/2023   06:32:07   (  -0.05, -75.26) (   0.24, -76.53)  144.97                80
 03/12/2023   06:10:41   (  -0.05, -75.27) (  -0.75, -72.00)  372.67                80
 03/13/2023   18:32:38   (   0.05, -75.28) (  -0.39, -77.31)  230.67                80
 03/14/2023   18:16:32   (   0.04, -75.29) (   0.61, -72.78)  287.17                80