Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 3.  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)
 07/04/2024   20:33:24   (   0.03,-104.71) (  -0.56,-107.40)  305.52                80
 07/05/2024   20:17:20   (   0.03,-104.71) (   0.47,-102.87)  210.56                80
 07/07/2024   08:39:08   (  -0.04,-104.70) (   0.73,-108.13)  391.16                80
 07/08/2024   08:17:45   (  -0.04,-104.70) (  -0.30,-103.61)  125.12                80
 07/09/2024   20:39:42   (   0.04,-104.71) (  -0.92,-108.91)  478.45                80
 07/10/2024   20:23:39   (   0.04,-104.72) (   0.12,-104.38)   38.22                80
 07/13/2024   08:26:44   (  -0.05,-104.72) (   0.04,-105.12)   45.87                80
 07/14/2024   08:05:20   (  -0.05,-104.72) (  -1.00,-100.60)  470.73                80
 07/15/2024   20:27:17   (   0.05,-104.73) (  -0.20,-105.90)  132.78                80
 07/16/2024   20:11:13   (   0.06,-104.73) (   0.78,-101.36)  383.73                80