Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/1/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/02/2025 09:04:23 -0.17, -89.49 -0.68, -87.22 259.01 80
2 10/03/2025 21:28:49 0.14, -89.49 -0.54, -92.43 335.03 80
3 10/04/2025 21:07:19 0.16, -89.50 0.51, -87.86 186.92 80
4 10/06/2025 09:31:36 -0.13, -89.51 0.66, -93.03 402.15 80
5 10/07/2025 09:10:06 -0.15, -89.51 -0.40, -88.46 119.52 80
6 10/08/2025 21:34:31 0.11, -89.51 -0.85, -93.66 474.48 80
7 10/09/2025 21:13:01 0.13, -89.51 0.22, -89.09 47.61 80
8 10/12/2025 09:18:26 -0.11, -89.53 -0.07, -89.69 19.04 80
9 10/14/2025 21:21:21 0.10, -89.53 -0.07, -90.33 90.99 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 10/1/2025
SNOs_Map_GOES-17_FY3D_20251002.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 10/01/2025 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D