Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 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)
 07/25/2025   07:17:46   (  -0.09, -89.47) (  -0.43, -87.91)  177.08                80
 07/26/2025   19:37:03   (   0.10, -89.51) (  -0.74, -93.22)  423.56                80
 07/27/2025   19:20:59   (   0.09, -89.51) (   0.27, -88.69)   93.18                80
 07/30/2025   07:21:21   (  -0.10, -89.49) (  -0.08, -89.43)    6.70                80
 08/01/2025   19:24:34   (   0.11, -89.54) (  -0.06, -90.21)   76.51                80
 08/02/2025   19:08:30   (   0.11, -89.55) (   0.96, -85.68)  440.60                80
 08/04/2025   07:27:38   (  -0.12, -89.52) (   0.19, -90.96)  163.52                80
 08/05/2025   07:11:34   (  -0.12, -89.53) (  -0.83, -86.43)  353.58                80
 08/06/2025   19:30:50   (   0.13, -89.58) (  -0.37, -91.73)  245.82                80
 08/07/2025   19:14:45   (   0.13, -89.58) (   0.65, -87.20)  271.47                80