Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 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)
 03/26/2025   08:26:55   (  -0.02,-104.37) (   0.15,-105.08)   80.81                80
 03/27/2025   08:05:30   (  -0.02,-104.37) (  -0.87,-100.55)  435.86                80
 03/28/2025   20:27:25   (   0.02,-104.41) (  -0.31,-105.85)  164.14                80
 03/29/2025   20:11:20   (   0.02,-104.41) (   0.72,-101.32)  352.70                80
 03/31/2025   08:33:05   (  -0.02,-104.37) (   0.48,-106.57)  251.06                80
 04/01/2025   08:11:40   (  -0.02,-104.37) (  -0.55,-102.04)  265.40                80
 04/02/2025   20:33:34   (   0.02,-104.40) (  -0.65,-107.34)  335.20                80
 04/03/2025   20:17:28   (   0.02,-104.40) (   0.40,-102.81)  181.54                80
 04/05/2025   08:39:13   (  -0.01,-104.36) (   0.84,-108.06)  421.91                80
 04/06/2025   08:17:47   (  -0.01,-104.36) (  -0.21,-103.53)   94.87                80