Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 9.  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)
 05/10/2025   07:42:02   (  -0.02, -90.45) (   0.71, -93.80)  380.93                80
 05/11/2025   07:20:40   (  -0.03, -90.97) (  -0.42, -89.30)  190.53                80
 05/12/2025   19:45:21   (   0.02, -91.77) (  -0.60, -94.64)  326.69                80
 05/13/2025   19:23:59   (   0.03, -92.29) (   0.53, -90.15)  244.98                80
 05/15/2025   07:48:32   (  -0.02, -93.06) (   0.51, -95.46)  272.29                80
 05/16/2025   07:27:10   (  -0.02, -93.58) (  -0.63, -90.96)  299.20                80
 05/17/2025   19:51:50   (   0.02, -94.38) (  -0.38, -96.30)  218.12                80
 05/18/2025   19:30:28   (   0.02, -94.90) (   0.70, -91.79)  353.79                80
 05/20/2025   07:55:00   (  -0.01, -95.68) (   0.33, -97.10)  162.87                80
 05/21/2025   07:33:39   (  -0.01, -96.20) (  -0.81, -92.61)  409.07                80
 05/22/2025   19:58:19   (   0.01, -97.01) (  -0.20, -97.95)  107.81                80
 05/23/2025   19:36:58   (   0.01, -97.53) (   0.94, -93.46)  464.37                80