Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 30.  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)
 03/31/2025   08:33:05   (  -0.02,-104.39) (   0.47,-106.58)  248.92                80
 04/01/2025   08:11:40   (  -0.03,-104.39) (  -0.56,-102.05)  267.87                80
 04/02/2025   20:33:34   (   0.03,-104.42) (  -0.65,-107.34)  332.71                80
 04/03/2025   20:17:29   (   0.03,-104.43) (   0.38,-102.81)  184.30                80
 04/05/2025   08:39:14   (  -0.02,-104.40) (   0.82,-108.06)  418.33                80
 04/06/2025   08:17:48   (  -0.02,-104.40) (  -0.22,-103.53)   98.75                80
 04/08/2025   20:23:36   (   0.01,-104.44) (   0.02,-104.29)   16.53                80
 04/11/2025   08:26:36   (  -0.01,-104.43) (   0.13,-105.02)   67.44                80
 04/12/2025   08:05:10   (  -0.01,-104.43) (  -0.87,-100.48)  450.09                80