Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 7.  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)
 03/08/2025   10:46:28   (   0.02,-136.98) (   0.65,-139.87)  328.86                80
 03/09/2025   10:25:04   (   0.02,-136.98) (  -0.37,-135.34)  186.57                80
 03/10/2025   22:47:00   (  -0.01,-136.96) (  -0.85,-140.64)  419.88                80
 03/11/2025   22:30:56   (  -0.01,-136.95) (   0.18,-136.12)   95.49                80
 03/14/2025   10:31:18   (   0.00,-136.93) (  -0.00,-136.85)    9.06                80
 03/16/2025   22:34:29   (  -0.00,-136.90) (  -0.16,-137.63)   82.75                80
 03/17/2025   22:18:25   (  -0.00,-136.89) (   0.88,-133.10)  432.09                80
 03/19/2025   10:40:11   (   0.00,-136.86) (   0.33,-138.36)  171.04                80
 03/20/2025   10:18:46   (  -0.00,-136.84) (  -0.65,-133.83)  343.20                80