Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 4 28.  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)
 04/29/2024   08:32:14   (   0.00,-104.70) (   0.43,-106.63)  219.36                80
 04/30/2024   08:10:48   (   0.00,-104.70) (  -0.57,-102.09)  297.18                80
 05/01/2024   20:32:43   (   0.00,-104.69) (  -0.61,-107.38)  307.57                80
 05/02/2024   20:16:38   (   0.00,-104.69) (   0.40,-102.85)  209.31                80
 05/04/2024   08:38:25   (  -0.00,-104.70) (   0.75,-108.12)  389.40                80
 05/05/2024   08:17:00   (  -0.00,-104.70) (  -0.26,-103.58)  127.54                80
 05/06/2024   20:38:54   (   0.00,-104.69) (  -0.95,-108.87)  476.92                80
 05/07/2024   20:22:49   (   0.01,-104.69) (   0.07,-104.33)   40.07                80
 05/10/2024   08:25:50   (  -0.02,-104.69) (   0.04,-105.07)   42.13                80
 05/11/2024   08:04:24   (  -0.02,-104.69) (  -0.93,-100.52)  474.76                80