Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 10.  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)
 08/11/2025   19:37:05   (   0.15, -89.51) (  -0.70, -93.24)  424.80                80
 08/12/2025   19:21:00   (   0.14, -89.52) (   0.32, -88.71)   92.24                80
 08/15/2025   07:21:23   (  -0.15, -89.49) (  -0.14, -89.44)    5.27                80
 08/17/2025   19:24:35   (   0.16, -89.54) (   0.00, -90.22)   78.05                80
 08/18/2025   19:08:30   (   0.16, -89.54) (   1.03, -85.69)  438.88                80
 08/20/2025   07:27:38   (  -0.17, -89.51) (   0.18, -90.96)  165.16                80
 08/21/2025   07:11:33   (  -0.17, -89.52) (  -0.85, -86.43)  352.14                80
 08/22/2025   19:30:49   (   0.18, -89.57) (  -0.30, -91.74)  246.57                80
 08/23/2025   19:14:45   (   0.18, -89.59) (   0.74, -87.21)  271.44                80