Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 6 6.  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)
 06/07/2025   10:40:12   (  -0.02,-137.00) (   0.31,-138.41)  161.03                80
 06/08/2025   10:18:48   (  -0.02,-136.99) (  -0.73,-133.89)  354.38                80
 06/09/2025   22:40:46   (   0.02,-136.98) (  -0.46,-139.19)  251.59                80
 06/10/2025   22:24:41   (   0.02,-136.97) (   0.52,-134.66)  263.47                80
 06/12/2025   10:43:50   (  -0.02,-136.95) (   0.68,-139.93)  339.75                80
 06/13/2025   10:27:46   (  -0.01,-136.94) (  -0.37,-135.40)  174.99                80
 06/14/2025   22:47:03   (   0.00,-136.92) (  -0.83,-140.71)  432.29                80
 06/15/2025   22:30:59   (  -0.00,-136.90) (   0.15,-136.18)   82.16                80
 06/18/2025   10:31:23   (   0.01,-136.85) (   0.04,-136.91)    7.97                80