Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 5.  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)
 05/05/2025   20:17:12   (   0.01,-104.40) (   0.35,-102.75)  187.91                80
 05/07/2025   08:39:02   (  -0.01,-104.39) (   0.82,-108.03)  415.32                80
 05/08/2025   08:17:39   (  -0.01,-104.39) (  -0.19,-103.51)  100.99                80
 05/10/2025   20:23:34   (   0.01,-104.43) (   0.07,-104.30)   16.20                80
 05/13/2025   08:26:39   (  -0.01,-104.43) (   0.13,-105.04)   70.74                80
 05/14/2025   08:05:16   (  -0.02,-104.43) (  -0.89,-100.52)  445.29                80
 05/15/2025   20:27:13   (   0.01,-104.45) (  -0.30,-105.83)  157.17                80
 05/16/2025   20:11:10   (   0.01,-104.45) (   0.72,-101.30)  359.18                80
 05/18/2025   08:32:59   (  -0.01,-104.44) (   0.48,-106.58)  243.55                80
 05/19/2025   08:11:36   (  -0.01,-104.44) (  -0.54,-102.05)  272.54                80