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: 7/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 07/21/2025 11:11:45 0.44, 61.31 -0.10, 59.07 256.32 80
2 07/22/2025 10:55:36 0.44, 61.32 0.97, 63.63 264.15 80
3 07/23/2025 23:17:15 -0.45, 61.38 0.22, 58.44 334.52 80
4 07/24/2025 22:55:46 -0.45, 61.39 -0.85, 63.01 185.49 80
5 07/26/2025 11:17:32 0.46, 61.36 -0.37, 57.80 407.14 80
6 07/27/2025 11:01:22 0.46, 61.37 0.70, 62.36 113.49 80
7 07/28/2025 23:23:02 -0.46, 61.42 0.48, 57.17 483.88 80
8 07/29/2025 23:01:31 -0.47, 61.43 -0.53, 61.75 36.10 80
9 08/01/2025 11:04:28 0.47, 61.43 0.39, 61.10 37.27 80
10 08/02/2025 10:48:18 0.47, 61.44 1.41, 65.68 482.69 80

Figure of GOES-15 and FY3D satellite orbits during SNOs since TLE Epoch: 7/19/2025
SNOs_Map_GOES-15_FY3D_20250720.jpg

Download SNOs between GOES-15 and FY3D since TLE EPOCH: 07/19/2025 in txt file.

Historical Predications of SNOs between GOES-15 and FY3D