Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 7 24.  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)
 07/25/2025   10:40:33   (  -0.02,-137.00) (   0.32,-138.49)  171.06                80
 07/26/2025   10:19:08   (  -0.02,-137.00) (  -0.69,-133.96)  345.25                80
 07/27/2025   22:41:06   (   0.02,-137.00) (  -0.48,-139.27)  258.53                80
 07/28/2025   22:25:01   (   0.02,-137.00) (   0.53,-134.74)  257.71                80
 07/30/2025   10:46:48   (  -0.02,-136.99) (   0.67,-140.01)  344.24                80
 07/31/2025   10:25:24   (  -0.02,-136.99) (  -0.34,-135.48)  171.57                80
 08/01/2025   22:47:21   (   0.02,-136.98) (  -0.81,-140.79)  433.28                80
 08/02/2025   22:31:17   (   0.02,-136.98) (   0.21,-136.26)   82.10                80
 08/05/2025   10:34:20   (  -0.02,-136.93) (  -0.02,-136.99)    6.72                80