Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 25.  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)
 06/26/2025   07:59:09   (  -0.02, -97.69) (   0.22, -98.83)  129.53                80
 06/27/2025   07:43:03   (  -0.01, -97.15) (  -0.66, -94.27)  328.52                80
 06/28/2025   20:02:17   (   0.01, -96.35) (  -0.72, -99.53)  363.21                80
 06/29/2025   19:46:11   (   0.01, -95.82) (   0.21, -94.99)   95.28                80
 07/02/2025   07:46:30   (  -0.01, -94.46) (   0.24, -95.66)  137.05                80
 07/03/2025   07:30:24   (  -0.01, -93.93) (  -0.64, -91.11)  321.77                80
 07/04/2025   19:49:38   (   0.01, -93.14) (  -0.74, -96.37)  369.17                80
 07/05/2025   19:33:33   (   0.01, -92.61) (   0.20, -91.83)   89.61                80
 07/08/2025   07:33:51   (  -0.02, -91.25) (   0.24, -92.50)  142.60                80
 07/09/2025   07:17:45   (  -0.02, -90.72) (  -0.64, -87.94)  316.19                80