Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 4.  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)
 06/05/2025   20:33:47   (  -0.00,-104.41) (  -0.67,-107.42)  342.04                80
 06/06/2025   20:17:43   (   0.00,-104.42) (   0.31,-102.88)  174.28                80
 06/08/2025   08:39:32   (  -0.00,-104.41) (   0.83,-108.16)  427.49                80
 06/09/2025   08:18:07   (  -0.01,-104.41) (  -0.15,-103.63)   88.31                80
 06/11/2025   20:21:21   (   0.00,-104.41) (  -0.00,-104.41)    0.49                80
 06/14/2025   08:27:06   (  -0.00,-104.40) (   0.14,-105.16)   85.97                80
 06/15/2025   08:05:42   (  -0.00,-104.40) (  -0.85,-100.63)  429.68                80
 06/16/2025   20:27:39   (   0.00,-104.40) (  -0.35,-105.93)  175.50                80
 06/17/2025   20:11:34   (   0.01,-104.40) (   0.65,-101.40)  340.76                80