Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 12.  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)
 02/12/2023   06:38:22   (  -0.05, -75.20) (   0.56, -77.98)  316.75                80
 02/13/2023   06:16:58   (  -0.05, -75.20) (  -0.44, -73.45)  199.68                80
 02/14/2023   18:38:55   (   0.05, -75.21) (  -0.74, -78.76)  404.54                80
 02/15/2023   18:22:51   (   0.04, -75.21) (   0.26, -74.23)  112.04                80
 02/17/2023   06:44:39   (  -0.04, -75.22) (   0.93, -79.51)  488.43                80
 02/18/2023   06:23:15   (  -0.03, -75.23) (  -0.07, -74.97)   28.34                80
 02/20/2023   18:26:28   (   0.01, -75.25) (  -0.10, -75.76)   57.73                80
 02/21/2023   18:10:23   (   0.02, -75.27) (   0.90, -71.23)  459.80                80
 02/23/2023   06:32:11   (  -0.02, -75.29) (   0.28, -76.50)  138.85                80
 02/24/2023   06:10:48   (  -0.02, -75.31) (  -0.78, -71.99)  379.00                80
 02/25/2023   18:32:44   (   0.01, -75.34) (  -0.44, -77.29)  222.92                80