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: 10/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/20/2025 10:56:41 0.14, 61.48 1.01, 65.16 421.06 80
2 10/21/2025 23:20:57 -0.05, 61.44 0.26, 60.01 163.04 80
3 10/22/2025 22:59:26 -0.10, 61.46 -0.82, 64.58 356.05 80
4 10/24/2025 11:23:49 0.01, 61.54 -0.49, 59.40 244.79 80
5 10/25/2025 11:02:19 0.06, 61.55 0.60, 63.96 274.92 80
6 10/26/2025 23:26:34 0.03, 61.51 0.67, 58.81 308.91 80
7 10/27/2025 23:05:04 -0.02, 61.54 -0.42, 63.38 209.47 80
8 10/29/2025 11:29:27 -0.07, 61.64 -0.87, 58.19 393.55 80
9 10/30/2025 11:07:57 -0.02, 61.65 0.23, 62.76 125.60 80
10 10/31/2025 23:32:12 0.11, 61.61 1.03, 57.60 457.43 80
11 11/01/2025 23:10:42 0.06, 61.63 -0.07, 62.17 60.67 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 10/19/2025
SNOs_Map_GOES-15_FY3D_20251020.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 10/19/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D