Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 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)
 03/26/2025   08:26:56   (  -0.02,-104.38) (   0.12,-105.09)   80.51                80
 03/27/2025   08:05:30   (  -0.02,-104.38) (  -0.89,-100.55)  436.30                80
 03/28/2025   20:27:26   (   0.02,-104.41) (  -0.28,-105.85)  163.58                80
 03/29/2025   20:11:19   (   0.02,-104.42) (   0.68,-101.31)  353.40                80
 03/31/2025   08:33:05   (  -0.02,-104.38) (   0.46,-106.58)  250.12                80
 04/01/2025   08:11:40   (  -0.02,-104.38) (  -0.58,-102.05)  266.48                80
 04/02/2025   20:33:34   (   0.02,-104.41) (  -0.63,-107.34)  334.03                80
 04/03/2025   20:17:28   (   0.02,-104.41) (   0.36,-102.80)  182.81                80
 04/05/2025   08:39:13   (  -0.01,-104.38) (   0.83,-108.06)  420.39                80
 04/06/2025   08:17:48   (  -0.01,-104.37) (  -0.22,-103.53)   96.50                80