Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 4.  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)
 07/05/2024   20:17:20   (   0.02,-104.71) (   0.44,-102.86)  210.90                80
 07/07/2024   08:39:08   (  -0.02,-104.70) (   0.77,-108.13)  390.92                80
 07/08/2024   08:17:44   (  -0.01,-104.70) (  -0.27,-103.60)  125.38                80
 07/09/2024   20:39:42   (   0.01,-104.71) (  -0.95,-108.90)  478.04                80
 07/10/2024   20:23:38   (   0.01,-104.71) (   0.08,-104.37)   38.66                80
 07/13/2024   08:26:43   (  -0.01,-104.71) (   0.07,-105.11)   45.61                80
 07/14/2024   08:05:19   (  -0.00,-104.71) (  -0.91,-100.58)  470.99                80
 07/15/2024   20:27:17   (   0.01,-104.73) (  -0.24,-105.89)  132.50                80
 07/16/2024   20:11:12   (   0.01,-104.73) (   0.75,-101.35)  384.00                80
 07/18/2024   08:33:01   (  -0.02,-104.72) (   0.44,-106.62)  217.50                80