Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 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)
 05/26/2025   20:23:49   (  -0.00,-104.43) (   0.03,-104.36)    7.86                80
 05/29/2025   08:26:55   (  -0.00,-104.41) (   0.13,-105.11)   79.87                80
 05/30/2025   08:05:31   (  -0.00,-104.41) (  -0.85,-100.58)  435.89                80
 05/31/2025   20:27:29   (   0.01,-104.42) (  -0.29,-105.90)  167.28                80
 06/01/2025   20:11:24   (   0.01,-104.43) (   0.68,-101.36)  349.21                80
 06/03/2025   08:33:14   (  -0.02,-104.42) (   0.49,-106.64)  252.61                80
 06/04/2025   08:11:50   (  -0.02,-104.43) (  -0.55,-102.12)  263.78                80
 06/05/2025   20:33:48   (   0.02,-104.45) (  -0.65,-107.42)  339.31                80
 06/06/2025   20:17:44   (   0.02,-104.45) (   0.39,-102.90)  177.51                80
 06/08/2025   08:39:32   (  -0.02,-104.46) (   0.83,-108.17)  423.40                80