Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 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)
 07/23/2024   10:18:33   (   0.01,-137.01) (  -0.69,-133.83)  362.00                80
 07/24/2024   22:40:31   (  -0.01,-137.00) (  -0.47,-139.14)  242.73                80
 07/25/2024   22:24:27   (  -0.01,-137.01) (   0.51,-134.60)  273.82                80
 07/27/2024   10:46:16   (   0.01,-137.01) (   0.63,-139.88)  326.03                80
 07/28/2024   10:24:52   (   0.01,-137.01) (  -0.35,-135.34)  190.10                80
 07/29/2024   22:46:49   (  -0.02,-137.00) (  -0.84,-140.64)  415.68                80
 07/30/2024   22:30:44   (  -0.02,-136.99) (   0.15,-136.11)  100.14                80
 08/02/2024   10:31:09   (   0.03,-136.97) (  -0.02,-136.85)   14.78                80
 08/04/2024   22:34:21   (  -0.03,-136.94) (  -0.20,-137.61)   76.62                80
 08/05/2024   22:18:17   (  -0.03,-136.93) (   0.81,-133.08)  438.79                80