Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 11 18.  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)
 11/19/2023   18:25:23   (  -0.01, -75.22) (  -0.17, -75.83)   69.60                80
 11/20/2023   18:09:20   (  -0.02, -75.23) (   0.85, -71.30)  447.19                80
 11/22/2023   06:31:09   (   0.01, -75.23) (   0.32, -76.58)  153.31                80
 11/23/2023   06:09:46   (   0.01, -75.25) (  -0.71, -72.05)  363.90                80
 11/24/2023   18:31:43   (  -0.01, -75.27) (  -0.50, -77.36)  238.54                80
 11/25/2023   18:15:39   (  -0.01, -75.28) (   0.53, -72.83)  279.11                80
 11/27/2023   06:37:29   (   0.01, -75.30) (   0.64, -78.11)  320.14                80
 11/28/2023   06:16:05   (   0.01, -75.32) (  -0.39, -73.59)  197.55                80
 11/29/2023   18:38:02   (  -0.01, -75.35) (  -0.80, -78.89)  404.32                80
 11/30/2023   18:21:59   (  -0.01, -75.36) (   0.24, -74.37)  113.86                80