Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/20/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 11/21/2025 23:35:45 0.39, 61.61 1.39, 57.38 483.99 80
2 11/22/2025 23:14:15 0.35, 61.61 0.25, 61.94 38.46 80
3 11/25/2025 11:19:45 -0.40, 61.66 -0.49, 61.34 37.62 80
4 11/26/2025 10:58:14 -0.35, 61.65 0.65, 65.90 485.30 80
5 11/27/2025 23:22:29 0.43, 61.55 0.64, 60.75 91.13 80
6 11/28/2025 23:00:58 0.38, 61.54 -0.50, 65.31 430.91 80
7 11/30/2025 11:25:19 -0.47, 61.62 -0.80, 60.14 169.14 80
8 12/01/2025 11:03:48 -0.42, 61.61 0.28, 64.71 353.29 80
9 12/02/2025 23:28:03 0.51, 61.51 0.93, 59.55 223.19 80
10 12/03/2025 23:06:32 0.47, 61.51 -0.15, 64.12 298.19 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 11/20/2025
SNOs_Map_GOES-15_FY3D_20251121.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 11/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D