Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 6.  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)
 03/07/2025   20:24:01   (   0.00,-104.42) (   0.04,-104.36)    7.09                80
 03/10/2025   08:27:03   (  -0.01,-104.39) (   0.15,-105.10)   80.58                80
 03/11/2025   08:05:39   (  -0.01,-104.39) (  -0.87,-100.57)  435.82                80
 03/12/2025   20:27:35   (   0.01,-104.42) (  -0.34,-105.87)  166.15                80
 03/13/2025   20:11:30   (   0.01,-104.42) (   0.69,-101.34)  350.72                80
 03/15/2025   08:33:18   (  -0.01,-104.41) (   0.46,-106.62)  251.49                80
 03/16/2025   08:11:52   (  -0.01,-104.41) (  -0.52,-102.08)  265.39                80
 03/17/2025   20:33:50   (   0.01,-104.44) (  -0.62,-107.39)  336.33                80
 03/18/2025   20:17:44   (   0.01,-104.44) (   0.36,-102.86)  180.52                80
 03/20/2025   08:39:30   (  -0.01,-104.42) (   0.84,-108.12)  421.89                80