Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21 TLE Epoch: 2023 10 18. 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) 10/19/2023 10:31:31 ( 0.00,-137.02) ( -0.08,-136.73) 33.45 80 10/21/2023 22:34:47 ( 0.00,-137.00) ( -0.12,-137.51) 59.04 80 10/22/2023 22:13:24 ( 0.01,-136.99) ( 0.92,-133.00) 455.79 80 10/24/2023 10:37:55 ( -0.02,-136.99) ( 0.24,-138.28) 146.16 80 10/25/2023 10:16:31 ( -0.02,-136.99) ( -0.74,-133.75) 368.60 80 10/26/2023 22:38:29 ( 0.01,-136.97) ( -0.48,-139.06) 238.95 80 10/27/2023 22:22:26 ( -0.03,-136.96) ( 0.52,-134.53) 276.51 80 10/29/2023 10:44:15 ( 0.03,-136.95) ( 0.69,-139.80) 325.96 80 10/30/2023 10:22:53 ( 0.02,-136.93) ( -0.36,-135.29) 188.29 80 10/31/2023 22:47:31 ( -0.03,-136.90) ( -0.84,-140.60) 420.76 80