Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 22.  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)
 11/23/2023   06:09:45   (   0.01, -75.20) (  -0.68, -72.05)  358.83                80
 11/24/2023   18:31:43   (  -0.01, -75.21) (  -0.47, -77.36)  245.21                80
 11/25/2023   18:15:39   (  -0.01, -75.21) (   0.51, -72.83)  271.50                80
 11/27/2023   06:37:28   (   0.01, -75.22) (   0.65, -78.11)  329.18                80
 11/28/2023   06:16:04   (   0.01, -75.22) (  -0.33, -73.57)  187.57                80
 11/29/2023   18:38:02   (  -0.01, -75.23) (  -0.80, -78.89)  415.91                80
 11/30/2023   18:21:57   (  -0.01, -75.24) (   0.19, -74.35)  101.33                80
 12/02/2023   06:43:47   (   0.01, -75.26) (   0.96, -79.63)  497.92                80
 12/03/2023   06:22:22   (   0.01, -75.27) (  -0.02, -75.10)   19.65                80
 12/05/2023   18:25:35   (  -0.00, -75.32) (  -0.15, -75.88)   64.25                80
 12/06/2023   18:09:32   (  -0.00, -75.34) (   0.91, -71.36)  454.21                80