Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 24.  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)
 07/25/2024   20:39:52   (  -0.01,-104.71) (  -0.97,-108.90)  477.42                80
 07/26/2024   20:23:48   (  -0.01,-104.71) (   0.07,-104.37)   39.16                80
 07/29/2024   08:26:53   (   0.01,-104.71) (   0.10,-105.11)   45.60                80
 07/30/2024   08:05:29   (   0.02,-104.71) (  -0.88,-100.57)  470.67                80
 07/31/2024   20:27:26   (  -0.02,-104.72) (  -0.31,-105.87)  132.82                80
 08/01/2024   20:11:23   (  -0.03,-104.72) (   0.73,-101.35)  383.78                80
 08/03/2024   08:33:11   (   0.03,-104.71) (   0.46,-106.62)  217.02                80
 08/04/2024   08:11:46   (   0.03,-104.71) (  -0.53,-102.08)  299.54                80
 08/05/2024   20:33:44   (  -0.04,-104.72) (  -0.64,-107.38)  303.53                80
 08/06/2024   20:17:39   (  -0.04,-104.73) (   0.36,-102.85)  213.55                80