Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 8 14.  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)
 08/14/2024   08:27:01   (   0.00,-104.70) (   0.08,-105.10)   44.84                80
 08/15/2024   08:05:37   (   0.01,-104.70) (  -0.94,-100.57)  471.40                80
 08/16/2024   20:27:32   (  -0.01,-104.70) (  -0.29,-105.86)  132.14                80
 08/17/2024   20:11:27   (  -0.01,-104.70) (   0.75,-101.33)  384.37                80
 08/19/2024   08:33:15   (   0.02,-104.69) (   0.44,-106.59)  216.49                80
 08/20/2024   08:11:49   (   0.02,-104.68) (  -0.55,-102.05)  299.90                80
 08/21/2024   20:33:45   (  -0.02,-104.69) (  -0.64,-107.34)  303.55                80
 08/22/2024   20:17:40   (  -0.02,-104.68) (   0.42,-102.82)  213.30                80
 08/24/2024   08:39:26   (   0.02,-104.68) (   0.80,-108.07)  386.73                80
 08/25/2024   08:18:01   (   0.02,-104.68) (  -0.21,-103.53)  129.81                80
 08/26/2024   20:39:56   (  -0.02,-104.67) (  -0.94,-108.83)  474.03                80
 08/27/2024   20:23:51   (  -0.02,-104.67) (   0.08,-104.30)   42.82                80