Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 21.  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)
 09/22/2025   07:08:40   (  -0.24, -89.49) (  -0.92, -86.37)  354.27                80
 09/23/2025   19:30:36   (   0.24, -89.53) (  -0.24, -91.68)  244.15                80
 09/24/2025   19:14:30   (   0.24, -89.54) (   0.77, -87.14)  273.31                80
 09/26/2025   07:36:17   (  -0.23, -89.51) (   0.39, -92.41)  329.44                80
 09/27/2025   07:14:52   (  -0.24, -89.52) (  -0.62, -87.87)  187.64                80
 09/28/2025   19:39:26   (   0.23, -89.56) (  -0.59, -93.16)  411.21                80
 09/29/2025   19:18:02   (   0.24, -89.57) (   0.48, -88.64)  106.31                80
 10/01/2025   07:42:28   (  -0.23, -89.55) (   0.73, -93.90)  495.56                80
 10/02/2025   07:21:03   (  -0.24, -89.56) (  -0.28, -89.37)   21.69                80
 10/04/2025   19:24:12   (   0.24, -89.61) (   0.15, -90.14)   59.11                80