Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 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)
 04/26/2025   07:03:49   (  -0.04, -83.21) (   0.18, -84.32)  125.76                80
 04/27/2025   06:42:27   (  -0.04, -83.71) (  -0.93, -79.82)  444.65                80
 04/28/2025   19:07:08   (   0.04, -84.51) (  -0.12, -85.16)   74.48                80
 04/29/2025   18:45:46   (   0.04, -85.01) (   1.00, -80.66)  496.08                80
 05/01/2025   07:10:20   (  -0.03, -85.78) (   0.01, -85.98)   22.48                80
 05/03/2025   19:10:58   (   0.03, -87.08) (   0.09, -86.82)   29.89                80
 05/05/2025   07:35:31   (  -0.02, -87.86) (   0.96, -92.13)  487.32                80
 05/06/2025   07:14:09   (  -0.02, -88.37) (  -0.17, -87.63)   84.32                80
 05/07/2025   19:38:50   (   0.01, -89.18) (  -0.84, -92.98)  432.93                80
 05/08/2025   19:17:28   (   0.02, -89.70) (   0.30, -88.48)  139.19                80