Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 2 13.  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)
 02/13/2025   22:18:18   (   0.01,-137.00) (   0.88,-133.03)  451.64                80
 02/15/2025   10:40:08   (  -0.01,-136.99) (   0.26,-138.32)  150.69                80
 02/16/2025   10:21:23   (  -0.01,-136.99) (  -0.72,-133.78)  364.85                80
 02/17/2025   22:40:41   (   0.01,-136.98) (  -0.44,-139.10)  240.99                80
 02/18/2025   22:24:37   (   0.01,-136.97) (   0.55,-134.57)  274.13                80
 02/20/2025   10:43:45   (  -0.02,-136.95) (   0.63,-139.84)  329.37                80
 02/21/2025   10:27:41   (  -0.02,-136.94) (  -0.35,-135.31)  185.15                80
 02/22/2025   22:46:59   (   0.02,-136.92) (  -0.79,-140.63)  422.51                80
 02/23/2025   22:30:55   (   0.03,-136.90) (   0.20,-136.10)   91.54                80
 02/26/2025   10:31:18   (  -0.03,-136.84) (  -0.03,-136.84)    0.48                80