Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 29.  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)
 10/31/2023   06:43:12   (   0.03, -75.22) (   0.99, -79.49)  487.15                80
 11/01/2023   06:21:48   (   0.03, -75.22) (  -0.00, -74.96)   29.25                80
 11/03/2023   18:25:05   (  -0.02, -75.25) (  -0.11, -75.76)   58.14                80
 11/04/2023   18:09:02   (  -0.02, -75.26) (   0.89, -71.23)  458.90                80
 11/06/2023   06:30:52   (   0.01, -75.27) (   0.27, -76.52)  141.29                80
 11/07/2023   06:09:29   (   0.02, -75.29) (  -0.73, -71.99)  376.09                80
 11/08/2023   18:31:27   (  -0.01, -75.32) (  -0.47, -77.30)  226.01                80
 11/09/2023   18:15:23   (  -0.01, -75.34) (   0.54, -72.77)  292.01                80
 11/11/2023   06:37:14   (   0.01, -75.37) (   0.61, -78.06)  306.51                80
 11/12/2023   06:15:50   (   0.01, -75.39) (  -0.40, -73.53)  211.56                80