Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 28.  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)
 10/29/2023   18:21:22   (  -0.03, -75.22) (   0.22, -74.22)  114.62                80
 10/31/2023   06:43:12   (   0.03, -75.22) (   1.00, -79.49)  487.21                80
 11/01/2023   06:21:49   (   0.03, -75.22) (  -0.04, -74.97)   29.07                80
 11/03/2023   18:25:05   (  -0.02, -75.25) (  -0.13, -75.76)   58.13                80
 11/04/2023   18:09:02   (  -0.02, -75.26) (   0.86, -71.23)  458.82                80
 11/06/2023   06:30:52   (   0.01, -75.27) (   0.29, -76.51)  141.37                80
 11/07/2023   06:09:28   (   0.02, -75.29) (  -0.70, -71.99)  375.97                80
 11/08/2023   18:31:28   (  -0.01, -75.32) (  -0.44, -77.31)  226.15                80
 11/09/2023   18:15:24   (  -0.01, -75.34) (   0.57, -72.78)  291.85                80
 11/11/2023   06:37:14   (   0.01, -75.37) (   0.58, -78.07)  306.71                80