Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 19.  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)
 08/20/2025   07:27:38   (  -0.18, -89.46) (   0.14, -90.96)  170.37                80
 08/21/2025   07:11:33   (  -0.18, -89.46) (  -0.84, -86.42)  345.91                80
 08/22/2025   19:30:49   (   0.18, -89.51) (  -0.32, -91.73)  253.34                80
 08/23/2025   19:14:45   (   0.18, -89.51) (   0.71, -87.20)  263.64                80
 08/25/2025   07:36:32   (  -0.19, -89.48) (   0.50, -92.46)  341.10                80
 08/26/2025   07:17:33   (  -0.19, -89.48) (  -0.53, -87.94)  176.08                66
 08/27/2025   19:37:03   (   0.19, -89.54) (  -0.66, -93.23)  422.25                80
 08/28/2025   19:20:58   (   0.19, -89.54) (   0.37, -88.71)   95.17                80
 08/31/2025   07:21:21   (  -0.20, -89.52) (  -0.19, -89.44)    8.57                80
 09/02/2025   19:24:32   (   0.21, -89.58) (   0.05, -90.22)   72.83                80