Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 7 22.  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)
 07/23/2024   08:39:17   (   0.00,-104.70) (   0.77,-108.12)  389.62                80
 07/24/2024   08:17:53   (   0.01,-104.70) (  -0.23,-103.59)  126.90                80
 07/25/2024   20:39:50   (  -0.01,-104.71) (  -0.94,-108.89)  476.58                80
 07/26/2024   20:23:46   (  -0.01,-104.71) (   0.07,-104.36)   40.22                80
 07/29/2024   08:26:49   (   0.01,-104.71) (   0.12,-105.09)   43.55                80
 07/30/2024   08:05:24   (   0.01,-104.71) (  -0.89,-100.55)  473.00                80
 07/31/2024   20:27:21   (  -0.01,-104.71) (  -0.24,-105.86)  130.77                80
 08/01/2024   20:11:16   (  -0.01,-104.71) (   0.72,-101.32)  386.02                80
 08/03/2024   08:33:04   (   0.02,-104.71) (   0.42,-106.59)  213.91                80
 08/04/2024   08:11:40   (   0.02,-104.71) (  -0.61,-102.06)  302.86                80