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: 10/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 10/21/2025 23:20:56 -0.05, 61.44 0.27, 60.01 163.01 80
2 10/22/2025 22:59:26 -0.10, 61.47 -0.81, 64.58 355.12 80
3 10/24/2025 11:23:49 0.01, 61.57 -0.51, 59.40 247.43 80
4 10/25/2025 11:02:19 0.06, 61.59 0.58, 63.97 271.31 80
5 10/26/2025 23:26:34 0.03, 61.56 0.69, 58.81 313.79 80
6 10/27/2025 23:05:04 -0.02, 61.59 -0.40, 63.38 203.66 80
7 10/29/2025 11:29:27 -0.07, 61.71 -0.89, 58.20 401.06 80
8 10/30/2025 11:07:56 -0.02, 61.73 0.20, 62.76 117.11 80
9 10/31/2025 23:32:12 0.11, 61.70 1.06, 57.61 467.21 80
10 11/01/2025 23:10:41 0.06, 61.73 -0.04, 62.17 49.95 80
11 11/04/2025 11:16:13 -0.11, 61.90 -0.19, 61.56 38.53 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 10/21/2025
SNOs_Map_GOES-15_FY3D_20251022.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 10/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D