Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 23.  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)
 05/24/2025   08:17:55   (  -0.01,-104.40) (  -0.19,-103.58)   94.02                80
 05/26/2025   20:23:49   (   0.01,-104.43) (   0.02,-104.36)    7.30                80
 05/29/2025   08:26:55   (  -0.00,-104.41) (   0.13,-105.11)   79.83                80
 05/30/2025   08:05:31   (  -0.00,-104.41) (  -0.84,-100.58)  436.06                80
 05/31/2025   20:27:28   (  -0.00,-104.43) (  -0.36,-105.88)  166.90                80
 06/01/2025   20:11:24   (  -0.01,-104.43) (   0.67,-101.36)  349.76                80
 06/03/2025   08:33:14   (   0.01,-104.43) (   0.50,-106.64)  251.81                80
 06/04/2025   08:11:50   (   0.01,-104.43) (  -0.53,-102.11)  264.66                80
 06/05/2025   20:33:48   (  -0.01,-104.45) (  -0.66,-107.42)  338.38                80