Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21 TLE Epoch: 2024 1 17. 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) 01/17/2024 10:44:51 ( -0.00,-137.01) ( 0.64,-139.91) 330.98 80 01/18/2024 10:23:25 ( -0.00,-137.01) ( -0.36,-135.38) 185.82 80 01/19/2024 22:45:21 ( -0.01,-136.99) ( -0.81,-140.68) 419.40 80 01/20/2024 22:29:15 ( -0.01,-136.98) ( 0.20,-136.14) 96.90 80 01/23/2024 10:32:16 ( 0.01,-136.98) ( -0.03,-136.86) 13.23 80 01/25/2024 22:32:45 ( -0.01,-136.94) ( -0.16,-137.62) 77.63 80 01/26/2024 22:16:39 ( -0.01,-136.93) ( 0.86,-133.09) 438.18 80 01/28/2024 10:35:46 ( 0.01,-136.92) ( 0.30,-138.35) 161.94 80 01/29/2024 10:19:39 ( 0.01,-136.91) ( -0.67,-133.80) 353.75 80 01/30/2024 22:38:54 ( -0.01,-136.88) ( -0.53,-139.09) 253.35 80