Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 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)
 10/23/2023   18:31:01   (  -0.03, -75.20) (  -0.49, -77.18)  226.13                80
 10/24/2023   18:14:58   (  -0.03, -75.20) (   0.54, -72.66)  289.23                80
 10/26/2023   06:34:09   (   0.02, -75.20) (   0.64, -77.95)  312.95                80
 10/27/2023   06:18:05   (   0.03, -75.20) (  -0.34, -73.41)  202.91                80
 10/28/2023   18:37:25   (  -0.02, -75.21) (  -0.83, -78.73)  402.21                80
 10/29/2023   18:21:22   (  -0.03, -75.21) (   0.22, -74.22)  114.02                80
 10/31/2023   06:43:12   (   0.02, -75.22) (   0.95, -79.50)  487.04                80
 11/01/2023   06:21:49   (   0.02, -75.22) (  -0.04, -74.97)   29.26                80
 11/03/2023   18:25:05   (  -0.02, -75.25) (  -0.12, -75.76)   58.47                80
 11/04/2023   18:09:01   (  -0.02, -75.26) (   0.88, -71.23)  458.50                80