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: 10/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/19/2025 11:18:11 0.09, 61.48 -0.11, 60.60 99.57 80
2 10/20/2025 10:56:41 0.14, 61.48 0.97, 65.17 420.84 80
3 10/21/2025 23:20:56 -0.05, 61.44 0.30, 60.02 163.26 80
4 10/22/2025 22:59:26 -0.10, 61.46 -0.78, 64.59 355.82 80
5 10/24/2025 11:23:50 0.01, 61.54 -0.48, 59.39 245.17 80
6 10/25/2025 11:02:19 0.06, 61.56 0.61, 63.96 274.49 80
7 10/26/2025 23:26:35 0.03, 61.52 0.66, 58.81 309.33 80
8 10/27/2025 23:05:04 -0.02, 61.54 -0.43, 63.37 208.99 80
9 10/29/2025 11:29:27 -0.07, 61.64 -0.86, 58.19 394.17 80
10 10/30/2025 11:07:57 -0.02, 61.66 0.24, 62.75 124.92 80
11 10/31/2025 23:32:12 0.11, 61.61 1.03, 57.60 458.12 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 10/18/2025
SNOs_Map_GOES-15_FY3D_20251019.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 10/18/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D