Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21 TLE Epoch: 2024 1 8. 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) 01/09/2024 22:32:57 ( -0.00,-136.95) ( -0.18,-137.68) 83.75 80 01/10/2024 22:16:52 ( 0.00,-136.94) ( 0.87,-133.16) 431.35 80 01/12/2024 10:35:59 ( 0.00,-136.92) ( 0.35,-138.41) 170.55 80 01/13/2024 10:19:54 ( 0.00,-136.90) ( -0.70,-133.89) 344.29 80 01/14/2024 22:39:08 ( -0.01,-136.86) ( -0.55,-139.17) 263.59 80 01/15/2024 22:23:04 ( -0.01,-136.84) ( 0.51,-134.64) 251.15 80 01/17/2024 10:42:10 ( 0.01,-136.82) ( 0.71,-139.90) 351.19 80 01/18/2024 10:26:05 ( 0.01,-136.80) ( -0.29,-135.36) 163.21 80 01/19/2024 22:45:20 ( -0.00,-136.75) ( -0.89,-140.66) 445.68 80 01/20/2024 22:29:15 ( -0.00,-136.73) ( 0.11,-136.12) 68.27 80