Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 25.  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)
 03/27/2023   06:31:52   (  -0.06, -75.20) (   0.24, -76.50)  148.70                80
 03/28/2023   06:10:26   (  -0.06, -75.20) (  -0.80, -71.97)  368.33                80
 03/29/2023   18:35:00   (   0.06, -75.20) (  -0.39, -77.27)  235.30                80
 03/30/2023   18:13:34   (   0.05, -75.21) (   0.59, -72.73)  282.25                80
 04/01/2023   06:38:00   (  -0.04, -75.23) (   0.55, -78.00)  315.59                80
 04/02/2023   06:16:34   (  -0.04, -75.24) (  -0.44, -73.46)  202.36                80
 04/03/2023   18:41:08   (   0.04, -75.25) (  -0.73, -78.76)  399.88                80
 04/04/2023   18:19:42   (   0.04, -75.26) (   0.27, -74.22)  118.55                80
 04/06/2023   06:44:07   (  -0.03, -75.29) (   0.92, -79.49)  477.92                80
 04/07/2023   06:22:41   (  -0.04, -75.31) (  -0.14, -74.96)   40.77                80