Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 3.  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)
 05/04/2025   20:33:16   (   0.01,-104.40) (  -0.64,-107.28)  328.71                80
 05/05/2025   20:17:12   (   0.01,-104.40) (   0.37,-102.75)  187.85                80
 05/07/2025   08:39:03   (  -0.01,-104.39) (   0.80,-108.04)  415.07                80
 05/08/2025   08:17:39   (  -0.01,-104.40) (  -0.21,-103.51)  101.34                80
 05/10/2025   20:23:33   (   0.01,-104.44) (   0.03,-104.29)   16.38                80
 05/13/2025   08:26:40   (  -0.01,-104.43) (   0.11,-105.05)   69.79                80
 05/14/2025   08:05:15   (  -0.01,-104.44) (  -0.86,-100.51)  446.46                80
 05/15/2025   20:27:13   (   0.00,-104.46) (  -0.33,-105.82)  155.94                80
 05/16/2025   20:11:09   (   0.00,-104.46) (   0.70,-101.30)  360.58                80