Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2025   19:30:45   (   0.22, -89.52) (  -0.25, -91.72)  250.28                80
 09/08/2025   19:14:40   (   0.22, -89.52) (   0.74, -87.18)  266.64                80
 09/10/2025   07:36:27   (  -0.22, -89.49) (   0.45, -92.45)  337.40                80
 09/11/2025   07:15:01   (  -0.22, -89.49) (  -0.55, -87.91)  179.26                80
 09/12/2025   19:36:57   (   0.22, -89.52) (  -0.61, -93.21)  420.71                80
 09/13/2025   19:20:52   (   0.23, -89.53) (   0.44, -88.69)   96.10                80
 09/16/2025   07:21:14   (  -0.23, -89.50) (  -0.26, -89.42)    9.07                80
 09/18/2025   19:24:24   (   0.24, -89.54) (   0.11, -90.19)   73.21                80
 09/19/2025   19:08:18   (   0.24, -89.55) (   1.12, -85.65)  444.55                80