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: 9/22/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 09/23/2025 11:05:55 0.36, 61.35 0.57, 62.17 93.96 80
2 09/24/2025 23:30:11 -0.30, 61.33 0.69, 57.01 493.00 80
3 09/25/2025 23:08:41 -0.34, 61.33 -0.40, 61.57 26.97 80
4 09/28/2025 11:14:17 0.30, 61.37 0.19, 60.94 49.92 80
5 09/29/2025 10:52:48 0.34, 61.38 1.28, 65.50 470.42 80
6 09/30/2025 23:17:04 -0.28, 61.36 -0.03, 60.34 117.22 80
7 10/01/2025 22:55:35 -0.32, 61.38 -1.13, 64.90 401.87 80
8 10/03/2025 11:20:00 0.25, 61.43 -0.16, 59.70 196.86 80
9 10/04/2025 10:58:30 0.29, 61.43 0.95, 64.26 323.07 80
10 10/05/2025 23:22:47 -0.22, 61.41 0.30, 59.10 263.52 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_GOES-15_FY3D_20250923.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 09/22/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D