Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2026 4 2.  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)
 04/04/2026   22:35:28   (  -0.02,-136.99) (  -0.16,-137.52)   60.99                80
 04/05/2026   22:19:24   (  -0.01,-136.98) (   0.90,-133.00)  455.12                80
 04/07/2026   10:38:30   (   0.00,-136.96) (   0.28,-138.25)  147.01                80
 04/08/2026   10:22:25   (   0.01,-136.95) (  -0.73,-133.71)  368.69                80
 04/09/2026   22:41:40   (  -0.00,-136.93) (  -0.47,-139.01)  236.32                80
 04/10/2026   22:25:34   (  -0.01,-136.92) (   0.54,-134.47)  279.21                80
 04/12/2026   10:44:41   (   0.00,-136.89) (   0.64,-139.73)  323.71                80
 04/13/2026   10:28:35   (   0.01,-136.87) (  -0.37,-135.19)  191.46                80
 04/14/2026   22:47:50   (   0.00,-136.84) (  -0.81,-140.48)  414.51                80
 04/15/2026   22:31:45   (   0.00,-136.82) (   0.21,-135.95)  100.32                80