Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/21/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 11/22/2025 20:16:01 -78.50, 56.16 81.24 11/22/2025 20:16:20 -78.49, 56.32 81.24 3.46 19
2 11/22/2025 21:06:45 78.46,-136.29 98.74 11/22/2025 21:05:40 78.45,-136.24 98.72 1.99 65
3 11/25/2025 06:37:22 78.49, 80.97 99.25 11/25/2025 06:37:36 78.47, 80.86 99.23 2.78 14
4 11/25/2025 07:28:06 -78.47,-111.64 80.76 11/25/2025 07:26:55 -78.47,-111.50 80.77 3.07 71
5 11/27/2025 16:58:43 -78.50, 105.59 80.29 11/27/2025 16:58:51 -78.48, 105.54 80.31 2.44 8
6 11/27/2025 17:49:22 78.28, -85.70 99.51 11/27/2025 17:48:12 78.38, -87.28 99.59 37.39 70
7 11/30/2025 03:20:04 78.50, 130.36 100.12 11/30/2025 03:20:05 78.51, 130.29 100.13 1.90 1
8 12/02/2025 12:50:47 78.79, -14.14 100.76 12/02/2025 12:51:55 78.70, -11.77 100.70 52.43 68
9 12/02/2025 13:41:24 -78.53, 154.92 79.49 12/02/2025 13:41:18 -78.54, 155.08 79.48 3.69 6
10 12/04/2025 23:12:01 -78.57, 12.07 79.13 12/04/2025 23:13:13 -78.55, 12.09 79.15 2.29 72
11 12/05/2025 00:02:45 78.53, 179.65 100.84 12/05/2025 00:02:32 78.51, 179.60 100.83 1.76 13

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_FY3D_TERRA_20251121.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 11/21/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA