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: 7/16/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 07/17/2025 10:49:49 0.41, 61.28 1.24, 64.90 413.54 80
2 07/18/2025 23:11:28 -0.43, 61.33 -0.05, 59.71 184.58 80
3 07/19/2025 22:49:59 -0.43, 61.34 -1.11, 64.28 335.77 80
4 07/21/2025 11:11:46 0.44, 61.31 -0.06, 59.06 256.69 80
5 07/22/2025 10:55:35 0.44, 61.32 0.95, 63.63 263.69 80
6 07/23/2025 23:17:15 -0.45, 61.38 0.24, 58.45 334.60 80
7 07/24/2025 22:55:45 -0.45, 61.39 -0.83, 63.01 185.31 80
8 07/26/2025 11:17:33 0.46, 61.37 -0.33, 57.79 407.94 80
9 07/27/2025 11:01:22 0.46, 61.38 0.68, 62.36 112.60 80
10 07/28/2025 23:23:01 -0.46, 61.42 0.51, 57.18 484.38 80
11 07/29/2025 23:01:31 -0.46, 61.44 -0.51, 61.75 35.66 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 7/16/2025
SNOs_Map_GOES-15_FY3D_20250717.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 07/16/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D