Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 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)
 11/04/2023   18:09:02   (  -0.03, -75.22) (   0.88, -71.23)  454.49                80
 11/06/2023   06:30:51   (   0.02, -75.21) (   0.33, -76.50)  147.80                80
 11/07/2023   06:09:29   (   0.02, -75.22) (  -0.72, -71.99)  368.75                80
 11/08/2023   18:31:27   (  -0.02, -75.24) (  -0.48, -77.30)  233.94                80
 11/09/2023   18:15:23   (  -0.02, -75.26) (   0.53, -72.77)  283.24                80
 11/11/2023   06:37:14   (   0.01, -75.27) (   0.61, -78.06)  317.31                80
 11/12/2023   06:15:50   (   0.02, -75.28) (  -0.39, -73.53)  199.94                80
 11/13/2023   18:37:48   (  -0.01, -75.31) (  -0.79, -78.84)  402.29                80
 11/14/2023   18:21:45   (  -0.02, -75.32) (   0.23, -74.32)  115.17                80
 11/16/2023   06:43:34   (   0.01, -75.33) (   0.96, -79.59)  484.88                80
 11/17/2023   06:22:11   (   0.01, -75.35) (  -0.05, -75.06)   32.36                80