Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 15.  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)
 06/16/2024   08:32:30   (   0.02,-104.71) (   0.43,-106.58)  212.75                80
 06/17/2024   08:11:07   (   0.01,-104.71) (  -0.57,-102.05)  303.21                80
 06/18/2024   20:33:06   (   0.02,-104.71) (  -0.57,-107.36)  302.61                80
 06/19/2024   20:17:02   (   0.02,-104.71) (   0.44,-102.84)  213.34                80
 06/21/2024   08:38:52   (  -0.02,-104.70) (   0.74,-108.11)  387.93                80
 06/22/2024   08:17:28   (  -0.02,-104.70) (  -0.27,-103.58)  127.73                80
 06/23/2024   20:39:27   (   0.01,-104.69) (  -0.92,-108.88)  477.90                80
 06/24/2024   20:23:23   (   0.00,-104.69) (   0.09,-104.36)   38.04                80
 06/27/2024   08:23:48   (   0.01,-104.68) (   0.12,-105.09)   47.01                80
 06/28/2024   08:05:04   (   0.02,-104.68) (  -0.90,-100.56)  469.03                80