Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 6 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)
 06/08/2025   10:18:48   (  -0.01,-137.00) (  -0.69,-133.88)  355.73                80
 06/09/2025   22:40:46   (   0.02,-137.00) (  -0.45,-139.19)  249.77                80
 06/10/2025   22:24:41   (   0.02,-136.99) (   0.53,-134.66)  265.51                80
 06/12/2025   10:46:30   (  -0.03,-136.97) (   0.66,-139.93)  337.48                80
 06/13/2025   10:27:46   (  -0.03,-136.96) (  -0.38,-135.41)  177.35                80
 06/14/2025   22:47:04   (   0.03,-136.95) (  -0.82,-140.71)  429.60                80
 06/15/2025   22:31:00   (   0.04,-136.93) (   0.23,-136.19)   85.07                80
 06/18/2025   10:31:24   (  -0.04,-136.89) (  -0.03,-136.93)    4.28                80
 06/20/2025   22:34:37   (   0.04,-136.85) (  -0.18,-137.70)   98.39                80