Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 25.  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)
 11/27/2023   06:37:28   (   0.01, -75.20) (   0.63, -78.11)  330.32                80
 11/28/2023   06:16:04   (   0.01, -75.21) (  -0.35, -73.57)  186.20                80
 11/29/2023   18:38:01   (  -0.01, -75.22) (  -0.83, -78.88)  417.27                80
 11/30/2023   18:21:57   (  -0.01, -75.23) (   0.16, -74.35)   99.81                80
 12/03/2023   06:22:22   (   0.01, -75.25) (  -0.02, -75.09)   17.32                80
 12/05/2023   18:25:34   (  -0.01, -75.29) (  -0.13, -75.87)   66.73                80
 12/06/2023   18:09:30   (  -0.01, -75.31) (   0.87, -71.34)  451.54                80
 12/08/2023   06:31:18   (   0.00, -75.33) (   0.31, -76.61)  146.39                80
 12/09/2023   06:09:54   (   0.01, -75.35) (  -0.70, -72.08)  371.98                80