Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 8 13.  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)
 08/15/2023   18:24:37   (  -0.03, -75.20) (  -0.12, -75.59)   44.09                80
 08/16/2023   18:08:31   (  -0.02, -75.20) (   0.93, -71.06)  472.32                80
 08/18/2023   06:27:37   (   0.01, -75.19) (   0.26, -76.32)  128.78                80
 08/19/2023   06:11:30   (   0.01, -75.19) (  -0.73, -71.77)  388.29                80
 08/20/2023   18:30:45   (  -0.01, -75.20) (  -0.44, -77.08)  214.12                80
 08/21/2023   18:14:38   (  -0.02, -75.20) (   0.56, -72.53)  303.28                80
 08/23/2023   06:36:24   (   0.01, -75.20) (   0.57, -77.81)  296.85                80
 08/24/2023   06:14:58   (   0.01, -75.20) (  -0.42, -73.27)  220.42                80
 08/25/2023   18:36:52   (   0.01, -75.21) (  -0.73, -78.57)  382.13                80
 08/26/2023   18:20:46   (   0.01, -75.22) (   0.27, -74.03)  135.26                80