Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 4.  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)
 03/05/2025   22:40:46   (  -0.00,-137.00) (  -0.50,-139.13)  243.11                80
 03/06/2025   22:24:41   (   0.00,-137.00) (   0.52,-134.60)  272.73                80
 03/08/2025   10:46:28   (  -0.01,-136.99) (   0.65,-139.87)  328.97                80
 03/09/2025   10:27:44   (  -0.01,-136.98) (  -0.38,-135.35)  186.59                80
 03/10/2025   22:47:01   (   0.02,-136.97) (  -0.78,-140.66)  419.39                80
 03/11/2025   22:30:56   (   0.02,-136.97) (   0.19,-136.12)   96.27                80
 03/14/2025   10:31:18   (  -0.02,-136.95) (  -0.01,-136.85)   10.55                80
 03/16/2025   22:34:29   (   0.02,-136.92) (  -0.15,-137.63)   80.92                80
 03/17/2025   22:18:25   (   0.02,-136.91) (   0.89,-133.11)  434.14                80