Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 27.  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)
 10/27/2023   06:15:25   (   0.03, -75.20) (  -0.35, -73.41)  202.87                80
 10/28/2023   18:37:25   (  -0.03, -75.21) (  -0.83, -78.73)  401.73                80
 10/29/2023   18:21:22   (  -0.03, -75.22) (   0.21, -74.21)  114.52                80
 10/31/2023   06:43:12   (   0.03, -75.22) (   0.96, -79.50)  487.05                80
 11/01/2023   06:21:49   (   0.03, -75.22) (  -0.03, -74.97)   29.22                80
 11/03/2023   18:25:05   (  -0.02, -75.25) (  -0.14, -75.76)   58.06                80
 11/04/2023   18:09:02   (  -0.02, -75.26) (   0.91, -71.24)  458.92                80
 11/06/2023   06:30:52   (   0.01, -75.28) (   0.31, -76.51)  141.09                80
 11/07/2023   06:09:29   (   0.02, -75.29) (  -0.74, -72.00)  376.30                80
 11/08/2023   18:31:28   (  -0.01, -75.32) (  -0.46, -77.31)  225.95                80
 11/09/2023   18:15:24   (  -0.01, -75.34) (   0.55, -72.78)  292.05                80