Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 14.  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)
 02/15/2023   18:22:51   (   0.05, -75.19) (   0.29, -74.24)  109.53                80
 02/17/2023   06:44:38   (  -0.05, -75.19) (   0.93, -79.50)  492.14                80
 02/18/2023   06:23:14   (  -0.04, -75.19) (  -0.08, -74.97)   24.05                80
 02/20/2023   18:26:26   (   0.03, -75.20) (  -0.12, -75.75)   63.31                80
 02/21/2023   18:10:21   (   0.03, -75.21) (   0.90, -71.22)  453.80                80
 02/23/2023   06:32:10   (  -0.03, -75.22) (   0.25, -76.50)  145.77                80
 02/24/2023   06:10:45   (  -0.03, -75.23) (  -0.78, -71.98)  371.63                80
 02/25/2023   18:32:42   (   0.03, -75.26) (  -0.40, -77.28)  230.74                80
 02/26/2023   18:16:36   (   0.03, -75.27) (   0.57, -72.75)  287.15                80
 02/28/2023   06:38:24   (  -0.02, -75.29) (   0.56, -78.03)  311.18                80