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)
 11/25/2023   18:15:39   (  -0.01, -75.23) (   0.52, -72.83)  273.42                80
 11/27/2023   06:37:28   (   0.01, -75.26) (   0.64, -78.11)  324.85                80
 11/28/2023   06:16:04   (   0.01, -75.28) (  -0.34, -73.57)  194.12                80
 11/29/2023   18:38:02   (  -0.01, -75.33) (  -0.79, -78.89)  404.97                80
 11/30/2023   18:21:58   (  -0.01, -75.37) (   0.20, -74.36)  114.56                80
 12/02/2023   06:43:47   (   0.01, -75.40) (   0.95, -79.64)  482.20                80
 12/03/2023   06:22:22   (   0.01, -75.44) (  -0.04, -75.10)   37.69                80
 12/05/2023   18:25:36   (  -0.01, -75.54) (  -0.08, -75.89)   39.72                80
 12/06/2023   18:09:32   (  -0.01, -75.58) (   0.92, -71.36)  480.99                80
 12/08/2023   06:31:21   (   0.00, -75.64) (   0.22, -76.64)  113.88                80