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: 10/20/2025
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 0.28, 60.02 162.98 80
2 10/22/2025 22:59:26 -0.10, 61.46 -0.80, 64.58 356.11 80
3 10/24/2025 11:23:50 0.01, 61.54 -0.46, 59.39 244.67 80
4 10/25/2025 11:02:20 0.06, 61.55 0.63, 63.96 275.06 80
5 10/26/2025 23:26:35 0.03, 61.51 0.64, 58.80 308.83 80
6 10/27/2025 23:05:04 -0.02, 61.54 -0.45, 63.37 209.55 80
7 10/29/2025 11:29:28 -0.07, 61.64 -0.84, 58.18 393.41 80
8 10/30/2025 11:07:56 -0.02, 61.65 0.20, 62.76 125.79 80
9 10/31/2025 23:32:13 0.11, 61.61 1.00, 57.59 457.34 80
10 11/01/2025 23:10:41 0.06, 61.63 -0.04, 62.17 60.83 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_GOES-15_FY3D_20251021.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 10/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D