Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 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)
 06/27/2024   08:26:29   (   0.00,-104.70) (   0.08,-105.10)   44.48                80
 06/28/2024   08:05:05   (   0.00,-104.70) (  -0.94,-100.57)  471.79                80
 06/29/2024   20:27:04   (  -0.01,-104.71) (  -0.25,-105.88)  132.35                80
 06/30/2024   20:11:00   (  -0.01,-104.71) (   0.77,-101.35)  384.12                80
 07/02/2024   08:32:49   (   0.01,-104.71) (   0.45,-106.61)  216.55                80
 07/03/2024   08:11:25   (   0.02,-104.71) (  -0.58,-102.08)  299.63                80
 07/04/2024   20:33:23   (  -0.03,-104.71) (  -0.60,-107.39)  304.94                80
 07/05/2024   20:17:19   (  -0.03,-104.71) (   0.37,-102.85)  211.48                80
 07/07/2024   08:39:08   (   0.04,-104.71) (   0.79,-108.13)  388.74                80
 07/08/2024   08:17:45   (   0.04,-104.72) (  -0.24,-103.60)  127.71                80