Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 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)
 04/24/2024   08:26:01   (  -0.00,-104.71) (   0.12,-105.13)   48.99                80
 04/25/2024   08:04:36   (  -0.01,-104.71) (  -0.92,-100.60)  467.71                80
 04/26/2024   20:26:31   (   0.01,-104.69) (  -0.28,-105.90)  137.46                80
 04/27/2024   20:10:27   (   0.01,-104.69) (   0.77,-101.37)  379.11                80
 04/29/2024   08:32:13   (  -0.00,-104.70) (   0.45,-106.62)  219.99                80
 04/30/2024   08:10:49   (  -0.00,-104.69) (  -0.60,-102.10)  296.45                80
 05/01/2024   20:32:43   (  -0.00,-104.67) (  -0.63,-107.38)  309.04                80
 05/02/2024   20:16:39   (  -0.00,-104.67) (   0.43,-102.86)  207.67                80
 05/04/2024   08:38:25   (  -0.00,-104.68) (   0.77,-108.11)  390.89                80
 05/05/2024   08:16:59   (  -0.00,-104.68) (  -0.24,-103.57)  125.91                80
 05/06/2024   20:38:54   (  -0.00,-104.66) (  -0.96,-108.86)  479.21                80