Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 26.  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)
 04/27/2025   06:42:28   (  -0.05, -83.71) (  -0.93, -79.82)  444.48                80
 04/28/2025   19:07:08   (   0.04, -84.51) (  -0.12, -85.16)   74.79                80
 04/29/2025   18:45:46   (   0.04, -85.01) (   1.00, -80.66)  495.66                80
 05/01/2025   07:10:20   (  -0.04, -85.77) (   0.01, -85.98)   23.00                80
 05/03/2025   19:10:59   (   0.03, -87.08) (   0.08, -86.82)   29.09                80
 05/05/2025   07:35:32   (  -0.02, -87.85) (   0.92, -92.14)  488.24                80
 05/06/2025   07:14:10   (  -0.02, -88.36) (  -0.21, -87.64)   83.31                80
 05/07/2025   19:38:50   (   0.02, -89.17) (  -0.86, -92.97)  434.15                80
 05/08/2025   19:17:28   (   0.02, -89.69) (   0.27, -88.48)  137.86                80
 05/10/2025   07:42:01   (  -0.02, -90.48) (   0.72, -93.80)  378.37                80