Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 14.  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)
 07/14/2024   22:30:35   (  -0.02,-137.00) (   0.17,-136.11)  101.36                80
 07/16/2024   10:52:23   (   0.02,-137.00) (   1.01,-141.38)  499.69                80
 07/17/2024   10:31:00   (   0.02,-136.99) (  -0.04,-136.85)   16.02                80
 07/19/2024   22:34:12   (  -0.03,-136.95) (  -0.17,-137.62)   76.26                80
 07/20/2024   22:18:08   (  -0.03,-136.93) (   0.83,-133.09)  438.45                80
 07/22/2024   10:39:56   (   0.03,-136.91) (   0.34,-138.35)  164.46                80
 07/23/2024   10:18:32   (   0.03,-136.89) (  -0.66,-133.82)  349.90                80
 07/24/2024   22:40:29   (  -0.03,-136.85) (  -0.52,-139.12)  258.19                80
 07/25/2024   22:24:25   (  -0.03,-136.83) (   0.49,-134.59)  256.08                80
 07/27/2024   10:43:32   (   0.03,-136.80) (   0.74,-139.85)  347.45                80