Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 22.  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)
 03/22/2025   22:24:36   (   0.00,-136.99) (   0.53,-134.60)  272.18                80
 03/24/2025   10:46:22   (  -0.00,-136.96) (   0.63,-139.87)  330.78                80
 03/25/2025   10:24:57   (  -0.01,-136.95) (  -0.38,-135.33)  184.66                80
 03/26/2025   22:46:52   (   0.01,-136.94) (  -0.81,-140.63)  420.37                80
 03/27/2025   22:30:47   (   0.01,-136.93) (   0.21,-136.10)   95.02                80
 03/30/2025   10:33:47   (  -0.01,-136.88) (  -0.03,-136.83)    6.72                80
 04/01/2025   22:34:15   (   0.01,-136.84) (  -0.14,-137.59)   85.07                80
 04/02/2025   22:18:09   (   0.01,-136.81) (   0.85,-133.05)  429.23                80
 04/04/2025   10:37:14   (  -0.01,-136.76) (   0.34,-138.31)  176.14                80
 04/05/2025   10:21:09   (  -0.02,-136.73) (  -0.71,-133.78)  337.79                80