Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 31.  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)
 08/01/2025   19:24:34   (   0.11, -89.51) (  -0.04, -90.21)   79.36                80
 08/02/2025   19:08:30   (   0.11, -89.51) (   0.98, -85.68)  437.06                80
 08/04/2025   07:27:37   (  -0.12, -89.48) (   0.22, -90.95)  167.54                80
 08/05/2025   07:11:33   (  -0.12, -89.48) (  -0.80, -86.42)  348.86                80
 08/06/2025   19:30:50   (   0.13, -89.52) (  -0.35, -91.73)  252.14                80
 08/07/2025   19:14:46   (   0.13, -89.52) (   0.68, -87.20)  264.50                80
 08/09/2025   07:33:53   (  -0.14, -89.49) (   0.53, -92.47)  339.62                80
 08/10/2025   07:17:49   (  -0.14, -89.49) (  -0.49, -87.94)  177.28                80
 08/11/2025   19:37:05   (   0.15, -89.53) (  -0.69, -93.24)  422.78                80
 08/12/2025   19:21:00   (   0.14, -89.54) (   0.33, -88.71)   94.46                80