Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 5 1.  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)
 05/02/2025   08:32:41   (  -0.02,-104.37) (   0.48,-106.49)  242.89                80
 05/03/2025   08:11:18   (  -0.02,-104.37) (  -0.53,-101.97)  273.09                80
 05/04/2025   20:33:16   (   0.01,-104.40) (  -0.62,-107.29)  328.59                80
 05/05/2025   20:17:13   (   0.01,-104.41) (   0.39,-102.76)  188.05                80
 05/07/2025   08:39:03   (  -0.01,-104.40) (   0.79,-108.04)  414.65                80
 05/08/2025   08:17:39   (  -0.01,-104.40) (  -0.23,-103.51)  101.88                80
 05/09/2025   20:39:37   (   0.00,-104.43) (  -0.97,-108.82)  499.76                80
 05/10/2025   20:23:33   (   0.01,-104.44) (   0.04,-104.30)   17.06                80
 05/13/2025   08:26:39   (  -0.00,-104.44) (   0.16,-105.04)   68.81                80
 05/14/2025   08:05:16   (  -0.00,-104.45) (  -0.86,-100.52)  447.57                80
 05/15/2025   20:27:13   (   0.00,-104.47) (  -0.32,-105.82)  154.72                80