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: 4/8/2025
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 04/10/2025 06:01:55 -77.40, -90.38 110.73 04/10/2025 06:03:04 -77.39, -90.27 110.74 2.68 69
2 04/10/2025 06:52:40 77.36, 77.10 69.22 04/10/2025 06:52:24 77.37, 77.29 69.23 4.45 16
3 04/12/2025 17:14:09 -77.35, 101.85 111.68 04/12/2025 17:14:22 -77.39, 101.82 111.65 3.99 13
4 04/12/2025 18:04:54 77.31, -90.67 68.27 04/12/2025 18:03:42 77.35, -90.65 68.31 4.01 72
5 04/15/2025 03:35:42 77.38, 126.37 67.48 04/15/2025 03:36:20 77.40, 126.32 67.49 1.76 38
6 04/15/2025 04:26:25 -77.35, -66.16 112.57 04/15/2025 04:25:41 -77.34, -66.23 112.58 2.10 44
7 04/17/2025 13:57:13 -77.43, 150.84 113.34 04/17/2025 13:58:18 -77.40, 150.82 113.37 2.95 65
8 04/17/2025 14:47:58 77.40, -41.69 66.62 04/17/2025 14:47:37 77.40, -41.53 66.62 3.98 21
9 04/20/2025 01:09:28 -77.41, -17.07 114.21 04/20/2025 01:09:34 -77.43, -16.97 114.20 2.93 6

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 4/8/2025
SNOs_Map_FY3D_TERRA_20250408.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 04/08/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA