Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 13.  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)
 06/13/2024   20:28:08   (   0.01,-104.71) (   0.00,-105.89)  131.71                 0
 06/14/2024   20:10:41   (   0.01,-104.71) (   0.77,-101.31)  387.42                80
 06/16/2024   08:32:30   (  -0.01,-104.71) (   0.43,-106.58)  213.58                80
 06/17/2024   08:11:08   (  -0.02,-104.71) (  -0.63,-102.06)  302.44                80
 06/18/2024   20:33:06   (   0.02,-104.71) (  -0.57,-107.37)  302.65                80
 06/19/2024   20:17:03   (   0.02,-104.71) (   0.44,-102.84)  213.29                80
 06/21/2024   08:38:52   (  -0.02,-104.70) (   0.74,-108.11)  388.00                80
 06/22/2024   08:17:28   (  -0.02,-104.70) (  -0.27,-103.58)  127.67                80
 06/23/2024   20:39:27   (   0.02,-104.69) (  -0.92,-108.89)  478.04                80
 06/24/2024   20:23:23   (   0.01,-104.69) (   0.10,-104.36)   37.85                80
 06/27/2024   08:23:48   (   0.00,-104.68) (   0.11,-105.09)   47.34                80