Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 3.  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)
 09/03/2025   19:08:27   (   0.21, -89.52) (   1.06, -85.68)  438.16                80
 09/05/2025   07:30:14   (  -0.22, -89.48) (   0.14, -90.94)  166.79                80
 09/06/2025   07:08:50   (  -0.22, -89.48) (  -0.91, -86.42)  349.41                80
 09/07/2025   19:30:45   (   0.22, -89.51) (  -0.26, -91.72)  251.27                80
 09/08/2025   19:14:39   (   0.22, -89.51) (   0.74, -87.18)  265.44                80
 09/10/2025   07:36:27   (  -0.22, -89.48) (   0.45, -92.45)  338.25                80
 09/11/2025   07:15:01   (  -0.22, -89.48) (  -0.55, -87.91)  178.22                80
 09/12/2025   19:36:57   (   0.22, -89.51) (  -0.60, -93.22)  422.64                80
 09/13/2025   19:20:51   (   0.23, -89.50) (   0.40, -88.68)   93.94                80
 09/16/2025   07:21:13   (  -0.23, -89.48) (  -0.23, -89.41)    7.22                80