Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 9.  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)
 03/10/2025   08:27:03   (  -0.03,-104.39) (   0.13,-105.10)   80.84                80
 03/11/2025   08:05:39   (  -0.01,-104.39) (  -0.90,-100.57)  435.76                80
 03/12/2025   20:27:35   (   0.00,-104.42) (  -0.32,-105.87)  165.97                80
 03/13/2025   20:11:31   (   0.00,-104.42) (   0.71,-101.35)  350.72                80
 03/15/2025   08:33:17   (  -0.00,-104.40) (   0.49,-106.61)  251.66                80
 03/16/2025   08:11:53   (  -0.01,-104.40) (  -0.55,-102.08)  264.96                80
 03/17/2025   20:33:49   (   0.01,-104.43) (  -0.65,-107.39)  336.90                80
 03/18/2025   20:17:44   (   0.01,-104.43) (   0.39,-102.86)  179.77                80
 03/20/2025   08:39:31   (  -0.01,-104.41) (   0.81,-108.12)  422.74                80
 03/21/2025   08:18:05   (  -0.01,-104.41) (  -0.18,-103.58)   93.69                80