Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 7 24.  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)
 07/24/2023   18:37:34   (  -0.01, -75.20) (  -0.77, -78.70)  397.49                80
 07/25/2023   18:21:28   (  -0.01, -75.21) (   0.19, -74.15)  119.36                80
 07/27/2023   06:43:15   (  -0.02, -75.21) (   0.92, -79.43)  481.24                80
 07/28/2023   06:21:49   (  -0.01, -75.21) (  -0.10, -74.90)   35.65                80
 07/30/2023   18:24:58   (   0.00, -75.21) (  -0.08, -75.66)   51.34                80
 07/31/2023   18:08:52   (   0.00, -75.21) (   0.89, -71.12)  465.77                80
 08/02/2023   06:30:38   (  -0.00, -75.22) (   0.28, -76.39)  133.49                80
 08/03/2023   06:09:13   (  -0.00, -75.22) (  -0.75, -71.85)  383.97                80
 08/04/2023   18:31:07   (   0.00, -75.24) (  -0.44, -77.15)  218.57                80
 08/05/2023   18:15:01   (   0.00, -75.25) (   0.60, -72.62)  299.55                80
 08/07/2023   06:36:48   (  -0.00, -75.27) (   0.56, -77.89)  298.01                80