Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2025   22:47:01   (   0.00,-136.99) (  -0.79,-140.66)  417.03                80
 03/11/2025   22:30:56   (   0.00,-137.00) (   0.18,-136.12)   99.70                80
 03/14/2025   10:33:59   (  -0.01,-137.00) (  -0.07,-136.86)   16.83                80
 03/16/2025   22:34:29   (   0.00,-137.00) (  -0.16,-137.63)   71.96                80
 03/17/2025   22:18:25   (   0.00,-137.00) (   0.88,-133.10)  444.22                80
 03/19/2025   10:37:31   (  -0.00,-136.99) (   0.32,-138.36)  156.91                80
 03/20/2025   10:21:27   (  -0.00,-136.98) (  -0.73,-133.84)  358.67                80
 03/21/2025   22:40:42   (   0.00,-136.96) (  -0.51,-139.13)  247.90                80
 03/22/2025   22:24:38   (   0.00,-136.95) (   0.54,-134.61)  267.21                80