Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 3.  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)
 03/04/2025   10:18:49   (   0.01,-137.00) (  -0.69,-133.82)  362.29                80
 03/05/2025   22:40:46   (  -0.02,-137.00) (  -0.49,-139.13)  242.81                80
 03/06/2025   22:24:41   (  -0.02,-137.00) (   0.54,-134.61)  273.10                80
 03/08/2025   10:46:28   (   0.03,-136.99) (   0.69,-139.86)  328.37                80
 03/09/2025   10:25:03   (   0.03,-136.98) (  -0.34,-135.34)  187.27                80
 03/10/2025   22:47:01   (  -0.03,-136.97) (  -0.82,-140.65)  418.65                80
 03/11/2025   22:30:55   (  -0.03,-136.96) (   0.15,-136.11)   96.98                80
 03/14/2025   10:31:17   (   0.03,-136.94) (   0.03,-136.84)   11.05                80
 03/16/2025   22:34:29   (  -0.03,-136.92) (  -0.19,-137.62)   80.36                80