Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 23.  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)
 04/24/2025   18:39:16   (   0.04, -82.45) (   0.82, -79.00)  393.18                80
 04/26/2025   07:03:49   (  -0.04, -83.21) (   0.20, -84.32)  125.91                80
 04/27/2025   06:42:27   (  -0.04, -83.71) (  -0.91, -79.81)  444.36                80
 04/28/2025   19:07:08   (   0.04, -84.51) (  -0.14, -85.16)   74.92                80
 04/29/2025   18:45:47   (   0.04, -85.01) (   1.04, -80.67)  495.60                80
 05/01/2025   07:10:19   (  -0.03, -85.77) (   0.03, -85.97)   23.33                80
 05/03/2025   19:10:59   (   0.03, -87.08) (   0.11, -86.83)   29.06                80
 05/05/2025   07:35:32   (  -0.02, -87.85) (   0.96, -92.13)  488.55                80
 05/06/2025   07:14:10   (  -0.02, -88.36) (  -0.17, -87.63)   82.92                80
 05/07/2025   19:38:50   (   0.01, -89.17) (  -0.85, -92.98)  434.52                80