Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 23.  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)
 06/23/2024   20:39:27   (   0.02,-104.70) (  -0.93,-108.88)  476.40                80
 06/24/2024   20:23:23   (   0.01,-104.70) (   0.08,-104.35)   39.83                80
 06/27/2024   08:26:29   (   0.01,-104.70) (   0.08,-105.10)   44.74                80
 06/28/2024   08:05:05   (   0.01,-104.70) (  -0.94,-100.57)  471.57                80
 06/29/2024   20:27:04   (  -0.01,-104.70) (  -0.25,-105.88)  133.10                80
 06/30/2024   20:11:00   (  -0.01,-104.70) (   0.77,-101.35)  383.19                80
 07/02/2024   08:32:49   (  -0.00,-104.70) (   0.45,-106.61)  217.88                80
 07/03/2024   08:11:25   (  -0.00,-104.70) (  -0.57,-102.08)  298.02                80
 07/04/2024   20:33:23   (   0.01,-104.70) (  -0.61,-107.39)  307.28                80
 07/05/2024   20:17:20   (   0.01,-104.70) (   0.42,-102.86)  209.00                80