Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 6 12.  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)
 06/12/2024   08:04:45   (   0.01,-104.70) (  -0.91,-100.52)  476.29                80
 06/13/2024   20:26:44   (  -0.00,-104.71) (  -0.23,-105.84)  128.61                80
 06/14/2024   20:10:41   (  -0.00,-104.71) (   0.77,-101.31)  387.57                80
 06/16/2024   08:32:30   (  -0.00,-104.71) (   0.43,-106.58)  213.19                80
 06/17/2024   08:11:07   (  -0.00,-104.71) (  -0.58,-102.05)  302.86                80
 06/18/2024   20:33:05   (   0.00,-104.71) (  -0.61,-107.35)  302.27                80
 06/19/2024   20:17:03   (   0.01,-104.71) (   0.45,-102.84)  213.65                80
 06/21/2024   08:38:52   (  -0.01,-104.70) (   0.72,-108.11)  387.65                80
 06/22/2024   08:17:28   (  -0.02,-104.70) (  -0.29,-103.58)  127.94                80
 06/23/2024   20:39:27   (   0.02,-104.69) (  -0.89,-108.89)  477.99                80
 06/24/2024   20:23:22   (   0.02,-104.69) (   0.07,-104.35)   37.87                80