Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 23.  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)
 08/23/2025   22:34:49   (   0.01,-137.00) (  -0.16,-137.75)   86.23                80
 08/24/2025   22:18:45   (   0.01,-137.00) (   0.87,-133.23)  430.22                80
 08/26/2025   10:40:32   (  -0.01,-136.98) (   0.34,-138.49)  171.91                80
 08/27/2025   10:19:08   (  -0.01,-136.98) (  -0.69,-133.96)  344.13                80
 08/28/2025   22:41:03   (   0.02,-136.98) (  -0.51,-139.26)  259.93                80
 08/29/2025   22:24:59   (   0.02,-136.97) (   0.53,-134.73)  255.64                80
 08/31/2025   10:46:46   (  -0.02,-136.95) (   0.69,-139.99)  347.98                80
 09/01/2025   10:25:21   (  -0.03,-136.93) (  -0.35,-135.47)  167.00                80
 09/02/2025   22:47:17   (   0.03,-136.92) (  -0.84,-140.77)  438.59                80
 09/03/2025   22:31:12   (   0.03,-136.90) (   0.20,-136.24)   76.10                80
 09/06/2025   10:34:15   (  -0.03,-136.85) (  -0.02,-136.97)   14.37                80