Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 24.  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)
 09/26/2025   07:36:17   (  -0.23, -89.49) (   0.40, -92.41)  332.07                80
 09/27/2025   07:14:52   (  -0.24, -89.48) (  -0.61, -87.87)  184.17                80
 09/28/2025   19:39:26   (   0.23, -89.51) (  -0.59, -93.16)  416.38                80
 09/29/2025   19:20:40   (   0.24, -89.51) (   0.42, -88.63)  100.25                80
 10/02/2025   07:21:01   (  -0.24, -89.48) (  -0.25, -89.35)   14.18                80
 10/04/2025   19:26:50   (   0.24, -89.51) (   0.08, -90.11)   69.24                80
 10/05/2025   19:05:25   (   0.25, -89.52) (   1.10, -85.58)  448.12                80
 10/07/2025   07:29:51   (  -0.23, -89.50) (   0.07, -90.84)  153.16                80
 10/08/2025   07:08:25   (  -0.24, -89.50) (  -0.96, -86.31)  363.81                80