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: 5/4/2025
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 05/04/2025 16:09:15 77.51, -62.12 61.27 05/04/2025 16:10:14 77.51, -62.10 61.27 0.69 59
2 05/04/2025 16:59:58 -77.48, 105.33 118.77 05/04/2025 16:59:35 -77.49, 105.45 118.77 3.00 23
3 05/07/2025 02:30:54 -77.94, -39.64 118.98 05/07/2025 02:31:59 -77.89, -36.09 119.03 82.79 65
4 05/07/2025 03:21:29 77.51, 129.89 60.58 05/07/2025 03:21:26 77.48, 129.91 60.54 3.48 3
5 05/07/2025 04:12:00 -76.98, -60.36 119.95 05/07/2025 04:10:56 -77.03, -64.09 119.92 93.41 64
6 05/09/2025 13:42:57 -77.50, 154.62 120.09 05/09/2025 13:43:18 -77.51, 154.52 120.09 2.49 21
7 05/09/2025 14:33:42 77.47, -37.93 59.88 05/09/2025 14:32:37 77.46, -38.00 59.86 2.33 65
8 05/12/2025 00:04:28 77.55, 179.07 59.34 05/12/2025 00:05:07 77.52, 179.07 59.31 3.23 39
9 05/12/2025 00:55:11 -77.51, -13.42 120.72 05/12/2025 00:54:28 -77.51, -13.30 120.71 2.96 43
10 05/14/2025 10:25:56 -77.55,-156.23 121.26 05/14/2025 10:26:58 -77.56,-156.31 121.26 1.94 62
11 05/14/2025 11:16:41 77.53, 11.18 58.71 05/14/2025 11:16:16 77.54, 11.30 58.72 3.14 25
12 05/16/2025 20:47:32 77.86,-133.14 58.49 05/16/2025 20:48:40 77.78,-130.90 58.41 53.32 68
13 05/16/2025 21:38:08 -77.53, 35.86 121.85 05/16/2025 21:38:06 -77.55, 35.84 121.84 2.04 2

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 5/4/2025
SNOs_Map_FY3D_TERRA_20250504.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 05/04/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA