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: 6/8/2025
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 06/10/2025 06:54:23 -77.66,-103.20 125.45 06/10/2025 06:54:44 -77.69,-103.25 125.42 3.56 21
2 06/10/2025 07:45:07 77.63, 64.30 54.52 06/10/2025 07:44:03 77.64, 64.22 54.53 2.71 64
3 06/12/2025 17:15:52 77.71, -78.74 54.45 06/12/2025 17:16:29 77.68, -78.78 54.42 3.23 37
4 06/12/2025 18:06:36 -77.68, 88.72 125.59 06/12/2025 18:05:50 -77.66, 88.81 125.61 2.97 46
5 06/15/2025 03:37:20 -77.73, -54.12 125.66 06/15/2025 03:38:15 -77.73, -54.06 125.66 1.81 55
6 06/15/2025 04:28:04 77.70, 113.34 54.31 06/15/2025 04:27:34 77.69, 113.42 54.30 2.17 30
7 06/17/2025 13:58:48 77.75, -29.53 54.28 06/17/2025 13:59:59 77.74, -29.50 54.28 0.76 71
8 06/17/2025 14:49:32 -77.71, 137.97 125.76 06/17/2025 14:49:20 -77.72, 138.07 125.75 2.66 12
9 06/20/2025 01:10:59 77.74, 162.53 54.24 06/20/2025 01:11:03 77.72, 162.57 54.21 2.58 4

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 6/8/2025
SNOs_Map_FY3D_TERRA_20250608.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 06/08/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA