Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 2 18.  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)
 02/18/2025   22:24:37   (   0.00,-137.00) (   0.53,-134.56)  277.45                80
 02/20/2025   10:46:25   (  -0.01,-137.00) (   0.64,-139.84)  323.43                80
 02/21/2025   10:25:01   (  -0.01,-137.00) (  -0.41,-135.32)  192.51                80
 02/22/2025   22:46:59   (   0.01,-137.00) (  -0.80,-140.63)  413.24                80
 02/23/2025   22:30:54   (   0.02,-137.00) (   0.20,-136.09)  102.28                80
 02/25/2025   10:52:43   (  -0.02,-136.99) (   0.96,-141.37)  499.85                80
 02/26/2025   10:31:18   (  -0.02,-136.98) (  -0.04,-136.84)   15.40                80
 02/28/2025   22:34:31   (   0.02,-136.95) (  -0.14,-137.62)   76.13                80
 03/01/2025   22:18:27   (   0.02,-136.94) (   0.87,-133.09)  438.90                80
 03/03/2025   10:37:34   (  -0.02,-136.92) (   0.33,-138.36)  164.12                80
 03/04/2025   10:21:29   (  -0.03,-136.91) (  -0.69,-133.83)  350.34                80