Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 4 27.  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)
 04/28/2025   08:04:56   (  -0.01,-104.36) (  -0.87,-100.43)  447.50                80
 04/29/2025   20:26:54   (   0.02,-104.38) (  -0.29,-105.74)  155.08                80
 04/30/2025   20:10:51   (   0.02,-104.38) (   0.71,-101.22)  360.62                80
 05/02/2025   08:32:41   (  -0.02,-104.36) (   0.47,-106.50)  244.29                80
 05/03/2025   08:11:18   (  -0.02,-104.35) (  -0.54,-101.97)  271.36                80
 05/04/2025   20:33:16   (   0.02,-104.38) (  -0.61,-107.29)  331.02                80
 05/05/2025   20:17:13   (   0.02,-104.38) (   0.41,-102.76)  185.32                80
 05/07/2025   08:39:02   (  -0.02,-104.37) (   0.82,-108.03)  418.20                80
 05/08/2025   08:17:38   (  -0.02,-104.37) (  -0.20,-103.51)   98.00                80
 05/10/2025   20:23:32   (   0.03,-104.40) (   0.03,-104.29)   12.46                80