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: 9/30/2025
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 09/30/2025 08:25:33 -78.26,-126.23 98.85 09/30/2025 08:26:17 -78.26,-126.05 98.84 4.15 44
2 09/30/2025 09:16:17 78.21, 41.34 81.13 09/30/2025 09:15:36 78.20, 41.36 81.11 1.23 41
3 10/02/2025 18:46:58 78.25,-101.47 82.09 10/02/2025 18:47:45 78.25,-101.50 82.10 0.92 47
4 10/02/2025 19:37:42 -78.23, 65.94 97.91 10/02/2025 19:37:06 -78.22, 66.03 97.93 2.23 36
5 10/05/2025 05:08:23 -78.27, -76.89 96.95 10/05/2025 05:09:14 -78.29, -76.77 96.94 2.96 51
6 10/05/2025 05:59:07 78.24, 90.63 83.04 10/05/2025 05:58:33 78.23, 90.63 83.02 1.17 34
7 10/07/2025 15:29:48 78.29, -52.28 84.00 10/07/2025 15:30:41 78.26, -52.30 83.98 3.40 53
8 10/07/2025 16:20:32 -78.27, 115.18 96.01 10/07/2025 16:20:02 -78.23, 115.21 96.05 4.35 30
9 10/10/2025 01:51:11 -78.28, -27.52 95.08 10/10/2025 01:52:08 -78.27, -27.67 95.09 3.62 57
10 10/10/2025 02:41:55 78.26, 139.95 84.92 10/10/2025 02:41:26 78.26, 139.95 84.91 0.31 29
11 10/12/2025 12:12:35 78.29, -2.83 85.85 10/12/2025 12:13:32 78.32, -2.85 85.88 3.54 57

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_FY3D_TERRA_20250930.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 09/30/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA