Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 1.  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)
 01/01/2025   22:25:28   (  -0.01,-137.00) (   0.49,-134.70)  262.63                80
 01/03/2025   10:47:14   (   0.01,-137.00) (   0.66,-139.96)  337.48                80
 01/04/2025   10:25:46   (   0.01,-136.99) (  -0.33,-135.42)  179.57                80
 01/05/2025   22:47:38   (  -0.02,-136.99) (  -0.82,-140.71)  423.46                80
 01/06/2025   22:31:31   (  -0.02,-136.98) (   0.19,-136.17)   93.44                80
 01/09/2025   10:31:47   (   0.02,-136.96) (  -0.01,-136.88)    9.27                80
 01/11/2025   22:34:50   (  -0.03,-136.92) (  -0.16,-137.62)   78.89                80
 01/12/2025   22:16:01   (  -0.03,-136.91) (   0.84,-133.07)  437.26                80
 01/14/2025   10:40:23   (   0.04,-136.88) (   0.36,-138.32)  164.30                80
 01/15/2025   10:18:55   (   0.03,-136.86) (  -0.66,-133.77)  351.76                80