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: 11/19/2025
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 11/20/2025 09:54:40 78.47, 31.60 98.22 11/20/2025 09:55:05 78.48, 31.64 98.23 1.78 25
2 11/20/2025 10:45:24 -78.46,-160.99 81.79 11/20/2025 10:44:25 -78.43,-160.97 81.83 3.45 59
3 11/22/2025 20:16:00 -78.48, 56.29 81.25 11/22/2025 20:16:20 -78.48, 56.24 81.26 1.15 20
4 11/22/2025 21:06:44 78.44,-136.17 98.72 11/22/2025 21:05:39 78.47,-136.11 98.75 3.57 65
5 11/25/2025 06:37:22 78.51, 80.85 99.26 11/25/2025 06:37:35 78.50, 80.99 99.26 3.08 13
6 11/25/2025 07:28:05 -78.46,-111.52 80.78 11/25/2025 07:26:55 -78.45,-111.59 80.79 1.50 70
7 11/27/2025 16:58:42 -78.49, 105.70 80.31 11/27/2025 16:58:50 -78.51, 105.66 80.29 2.55 8
8 11/27/2025 17:49:22 78.30, -85.83 99.53 11/27/2025 17:48:12 78.36, -87.38 99.57 35.38 70
9 11/30/2025 03:20:04 78.52, 130.21 100.14 11/30/2025 03:20:05 78.48, 130.18 100.10 4.19 1
10 11/30/2025 04:10:36 -78.06, -59.70 80.28 11/30/2025 04:09:33 -78.09, -63.98 80.30 98.41 63
11 12/02/2025 12:50:48 78.81, -14.32 100.79 12/02/2025 12:51:55 78.72, -11.67 100.71 58.30 67
12 12/02/2025 13:41:24 -78.52, 154.99 79.50 12/02/2025 13:41:19 -78.51, 154.95 79.50 0.82 5

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_FY3D_TERRA_20251120.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 11/19/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA