Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 10 16.  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)
 10/16/2023   06:24:07   (   0.03, -75.21) (  -0.03, -74.87)   38.45                80
 10/18/2023   18:24:37   (  -0.03, -75.21) (  -0.12, -75.64)   48.47                80
 10/19/2023   18:08:32   (  -0.03, -75.21) (   0.90, -71.11)  468.30                80
 10/21/2023   06:30:17   (   0.03, -75.21) (   0.31, -76.36)  132.33                80
 10/22/2023   06:08:51   (   0.02, -75.21) (  -0.72, -71.83)  384.57                80
 10/23/2023   18:30:47   (  -0.02, -75.22) (  -0.43, -77.14)  218.50                80
 10/24/2023   18:14:40   (  -0.02, -75.22) (   0.55, -72.59)  299.06                80
 10/26/2023   06:36:26   (   0.01, -75.23) (   0.60, -77.86)  299.79                80
 10/27/2023   06:15:00   (   0.01, -75.24) (  -0.39, -73.32)  218.26                80
 10/28/2023   18:36:55   (  -0.01, -75.26) (  -0.74, -78.63)  383.28                80
 10/29/2023   18:20:49   (  -0.01, -75.27) (   0.25, -74.08)  135.17                80