Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 4 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)
 04/27/2024   18:26:02   (   0.03, -75.21) (  -0.09, -75.80)   67.33                80
 04/28/2024   18:09:57   (   0.03, -75.21) (   0.91, -71.26)  449.73                80
 04/30/2024   06:31:44   (  -0.02, -75.21) (   0.25, -76.53)  149.56                80
 05/01/2024   06:10:19   (  -0.02, -75.22) (  -0.75, -71.99)  367.74                80
 05/02/2024   18:32:13   (   0.01, -75.22) (  -0.47, -77.28)  234.56                80
 05/03/2024   18:16:08   (   0.01, -75.23) (   0.54, -72.74)  283.41                80
 05/05/2024   06:37:55   (  -0.01, -75.25) (   0.59, -78.01)  314.26                80
 05/06/2024   06:16:29   (  -0.01, -75.26) (  -0.43, -73.48)  203.95                80
 05/07/2024   18:38:24   (   0.01, -75.28) (  -0.77, -78.77)  397.35                80
 05/08/2024   18:22:18   (   0.01, -75.29) (   0.27, -74.23)  121.26                80