Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 22.  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)
 08/22/2025   19:30:49   (   0.18, -89.51) (  -0.30, -91.73)  253.57                80
 08/23/2025   19:14:44   (   0.18, -89.51) (   0.67, -87.19)  263.31                80
 08/25/2025   07:36:32   (  -0.19, -89.47) (   0.48, -92.47)  341.53                80
 08/26/2025   07:17:48   (  -0.19, -89.48) (  -0.55, -87.94)  175.55                80
 08/27/2025   19:37:03   (   0.19, -89.53) (  -0.65, -93.24)  423.07                80
 08/28/2025   19:20:59   (   0.19, -89.54) (   0.39, -88.71)   94.23                80
 08/31/2025   07:21:21   (  -0.20, -89.51) (  -0.20, -89.45)    7.12                80
 09/02/2025   19:24:32   (   0.21, -89.57) (   0.05, -90.22)   74.39                80
 09/03/2025   19:08:28   (   0.21, -89.58) (   1.09, -85.69)  442.98                80
 09/05/2025   07:30:16   (  -0.22, -89.55) (   0.07, -90.97)  160.76                80