Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21 TLE Epoch: 2023 7 18. Predictions up to the next 14.0 days: Date Time(GOES-17) GOES-17 Lat/Lon NOAA-21 Lat/Lon Distance(km) Time Diff(sec) 07/19/2023 20:15:49 ( -0.01,-104.71) ( 0.45,-102.77) 221.49 80 07/21/2023 08:37:35 ( 0.01,-104.72) ( 0.73,-108.04) 377.02 80 07/22/2023 08:16:10 ( 0.01,-104.72) ( -0.28,-103.50) 139.59 80 07/23/2023 20:38:04 ( -0.02,-104.71) ( -0.94,-108.80) 466.16 80 07/24/2023 20:21:58 ( -0.02,-104.71) ( 0.08,-104.26) 50.74 80 07/27/2023 08:24:59 ( 0.02,-104.72) ( 0.07,-105.00) 30.81 80 07/28/2023 08:03:34 ( 0.02,-104.72) ( -0.95,-100.47) 485.50 80 07/29/2023 20:25:28 ( -0.03,-104.69) ( -0.25,-105.76) 121.10 80 07/30/2023 20:09:22 ( -0.03,-104.69) ( 0.72,-101.22) 395.29 80 08/01/2023 08:31:08 ( 0.04,-104.70) ( 0.46,-106.48) 203.24 80