Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 5.  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)
 04/05/2024   20:22:54   (  -0.02,-104.66) (   0.05,-104.42)   28.31                80
 04/08/2024   08:25:59   (  -0.00,-104.68) (   0.08,-105.17)   54.46                80
 04/09/2024   08:04:35   (  -0.02,-104.68) (  -0.92,-100.63)  461.72                80
 04/10/2024   20:26:32   (   0.03,-104.67) (  -0.24,-105.94)  144.24                80
 04/11/2024   20:10:28   (   0.03,-104.67) (   0.76,-101.41)  372.33                80
 04/13/2024   08:32:16   (  -0.03,-104.69) (   0.42,-106.67)  226.44                80
 04/14/2024   08:10:52   (  -0.02,-104.69) (  -0.58,-102.14)  290.06                80
 04/15/2024   20:32:48   (   0.02,-104.67) (  -0.62,-107.44)  315.84                80
 04/16/2024   20:16:44   (   0.02,-104.67) (   0.45,-102.92)  200.99                80
 04/18/2024   08:35:53   (  -0.03,-104.70) (   0.73,-108.19)  397.22                80