Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 27.  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)
 07/27/2025   19:20:58   (   0.09, -89.51) (   0.25, -88.69)   93.10                80
 07/30/2025   07:24:02   (  -0.10, -89.48) (  -0.13, -89.44)    6.05                80
 08/01/2025   19:24:34   (   0.11, -89.54) (  -0.07, -90.21)   77.23                80
 08/02/2025   19:08:29   (   0.11, -89.54) (   0.95, -85.68)  439.83                80
 08/04/2025   07:27:38   (  -0.12, -89.51) (   0.19, -90.95)  164.29                80
 08/05/2025   07:11:33   (  -0.12, -89.52) (  -0.82, -86.42)  352.69                80
 08/06/2025   19:30:50   (   0.13, -89.56) (  -0.37, -91.73)  247.01                80
 08/07/2025   19:14:45   (   0.13, -89.57) (   0.65, -87.20)  270.19                80
 08/09/2025   07:33:53   (  -0.14, -89.55) (   0.50, -92.47)  333.48                80
 08/10/2025   07:17:49   (  -0.14, -89.55) (  -0.52, -87.95)  184.02                80