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: 7/4/2025
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 07/04/2025 16:10:28 -77.81, 117.70 125.07 07/04/2025 16:10:46 -77.82, 117.78 125.06 2.41 18
2 07/04/2025 17:01:12 77.77, -74.81 54.90 07/04/2025 17:00:06 77.77, -74.75 54.90 1.51 66
3 07/07/2025 02:31:55 77.81, 142.39 55.18 07/07/2025 02:32:29 77.83, 142.33 55.20 2.71 34
4 07/07/2025 03:22:39 -77.78, -50.15 124.85 07/07/2025 03:21:49 -77.80, -50.10 124.83 2.76 50
5 07/09/2025 12:53:23 -77.86, 166.84 124.50 07/09/2025 12:54:12 -77.85, 166.93 124.51 2.55 49
6 07/09/2025 13:44:06 77.79, -25.47 55.44 07/09/2025 13:43:32 77.80, -25.59 55.46 3.25 34
7 07/11/2025 23:14:49 77.87,-168.51 55.84 07/11/2025 23:15:53 77.88,-168.40 55.85 3.06 64
8 07/12/2025 00:05:33 -77.84, -1.05 124.19 07/12/2025 00:05:14 -77.81, -1.04 124.22 3.29 19
9 07/14/2025 09:36:24 -78.19,-145.62 123.47 07/14/2025 09:37:31 -78.10,-142.91 123.58 62.70 67
10 07/14/2025 10:27:00 77.85, 23.59 56.18 07/14/2025 10:26:56 77.83, 23.59 56.16 2.04 4
11 07/16/2025 20:48:27 -77.87, 48.20 123.41 07/16/2025 20:48:38 -77.86, 48.24 123.42 1.32 11

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 7/4/2025
SNOs_Map_FY3D_TERRA_20250704.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 07/04/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA