Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 15.  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)
 05/16/2025   07:27:09   (  -0.03, -93.57) (  -0.59, -90.95)  298.94                80
 05/17/2025   19:51:50   (   0.02, -94.39) (  -0.43, -96.29)  217.71                80
 05/18/2025   19:30:28   (   0.02, -94.90) (   0.71, -91.79)  354.22                80
 05/20/2025   07:55:01   (  -0.01, -95.68) (   0.32, -97.11)  162.76                80
 05/21/2025   07:33:39   (  -0.02, -96.20) (  -0.82, -92.61)  409.15                80
 05/22/2025   19:58:19   (   0.01, -97.01) (  -0.19, -97.95)  107.14                80
 05/23/2025   19:36:58   (   0.01, -97.53) (   0.95, -93.46)  465.09                80
 05/25/2025   08:01:30   (  -0.01, -98.31) (   0.06, -98.77)   51.65                80
 05/27/2025   20:02:08   (   0.01, -99.64) (   0.01, -99.61)    3.29                80