Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 6.  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)
 06/08/2025   08:39:31   (  -0.00,-104.41) (   0.86,-108.16)  427.61                80
 06/09/2025   08:18:08   (  -0.00,-104.40) (  -0.18,-103.63)   88.09                80
 06/11/2025   20:21:22   (   0.00,-104.41) (   0.03,-104.42)    3.09                80
 06/14/2025   08:27:06   (  -0.00,-104.40) (   0.18,-105.15)   86.35                80
 06/15/2025   08:05:42   (  -0.00,-104.39) (  -0.87,-100.63)  429.21                80
 06/16/2025   20:27:40   (   0.00,-104.39) (  -0.33,-105.94)  175.98                80
 06/17/2025   20:11:35   (   0.01,-104.39) (   0.65,-101.40)  340.21                80
 06/19/2025   08:33:23   (  -0.00,-104.39) (   0.53,-106.68)  260.46                80
 06/20/2025   08:12:00   (  -0.00,-104.39) (  -0.52,-102.15)  255.25                80