Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 22.  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)
 03/23/2025   20:23:56   (   0.03,-104.41) (   0.06,-104.36)    6.55                80
 03/26/2025   08:26:56   (  -0.02,-104.37) (   0.14,-105.08)   80.99                80
 03/27/2025   08:05:30   (  -0.02,-104.37) (  -0.88,-100.55)  435.59                80
 03/28/2025   20:27:25   (   0.02,-104.41) (  -0.30,-105.85)  164.55                80
 03/29/2025   20:11:20   (   0.02,-104.41) (   0.73,-101.32)  352.23                80
 03/31/2025   08:33:05   (  -0.02,-104.37) (   0.47,-106.58)  251.58                80
 04/01/2025   08:11:40   (  -0.02,-104.37) (  -0.56,-102.05)  264.84                80
 04/02/2025   20:33:34   (   0.02,-104.39) (  -0.64,-107.34)  335.91                80
 04/03/2025   20:17:28   (   0.02,-104.39) (   0.35,-102.80)  180.77                80
 04/05/2025   08:39:13   (  -0.01,-104.35) (   0.83,-108.06)  422.71                80