Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 7.  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)
 05/08/2025   22:40:16   (   0.00,-137.00) (  -0.47,-139.06)  234.70                80
 05/09/2025   22:24:12   (  -0.00,-137.00) (   0.54,-134.53)  281.15                80
 05/11/2025   10:46:03   (   0.00,-137.00) (   0.62,-139.82)  321.10                80
 05/12/2025   10:24:39   (   0.00,-136.99) (  -0.39,-135.29)  194.24                80
 05/13/2025   22:46:36   (  -0.00,-136.98) (  -0.80,-140.60)  411.89                80
 05/14/2025   22:30:33   (  -0.00,-136.97) (   0.22,-136.07)  102.92                80
 05/17/2025   10:30:59   (  -0.00,-136.94) (  -0.02,-136.82)   13.36                80
 05/19/2025   22:34:13   (   0.00,-136.90) (  -0.14,-137.60)   80.04                80
 05/20/2025   22:18:08   (  -0.00,-136.88) (   0.82,-133.06)  434.07                80