Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 7 29.  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)
 07/30/2023   18:24:58   (   0.01, -75.21) (  -0.10, -75.66)   51.41                80
 07/31/2023   18:08:52   (   0.01, -75.21) (   0.93, -71.13)  465.65                80
 08/02/2023   06:30:39   (  -0.01, -75.22) (   0.23, -76.39)  133.57                80
 08/03/2023   06:09:12   (  -0.00, -75.22) (  -0.74, -71.85)  383.92                80
 08/04/2023   18:31:08   (   0.00, -75.23) (  -0.40, -77.16)  218.73                80
 08/05/2023   18:15:01   (   0.00, -75.25) (   0.58, -72.61)  299.38                80
 08/07/2023   06:36:47   (  -0.00, -75.27) (   0.59, -77.88)  298.18                80
 08/08/2023   06:15:22   (  -0.00, -75.28) (  -0.45, -73.35)  220.21                80
 08/09/2023   18:37:16   (  -0.00, -75.30) (  -0.73, -78.65)  381.28                80
 08/10/2023   18:21:10   (  -0.01, -75.32) (   0.25, -74.11)  137.46                80
 08/12/2023   06:42:56   (   0.01, -75.35) (   0.91, -79.38)  459.13                80