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)
 11/22/2023   06:31:09   (   0.01, -75.20) (   0.34, -76.57)  157.33                80
 11/23/2023   06:09:45   (   0.01, -75.20) (  -0.69, -72.05)  358.72                80
 11/24/2023   18:31:43   (  -0.01, -75.20) (  -0.52, -77.35)  245.64                80
 11/25/2023   18:15:39   (  -0.01, -75.21) (   0.52, -72.83)  270.86                80
 11/27/2023   06:37:28   (   0.01, -75.21) (   0.65, -78.11)  330.03                80
 11/28/2023   06:16:04   (   0.01, -75.21) (  -0.33, -73.57)  186.52                80
 11/29/2023   18:38:02   (  -0.01, -75.22) (  -0.81, -78.89)  417.31                80
 11/30/2023   18:21:58   (  -0.01, -75.23) (   0.17, -74.35)   99.71                80
 12/02/2023   06:43:47   (   0.01, -75.25) (   0.99, -79.63)  499.83                80
 12/03/2023   06:22:24   (   0.00, -75.26) (  -0.05, -75.11)   17.64                80
 12/05/2023   18:25:36   (  -0.00, -75.30) (  -0.14, -75.88)   66.97                80