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: 7/8/2025
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 07/09/2025 12:53:22 -77.85, 166.90 124.51 07/09/2025 12:54:11 -77.85, 166.95 124.50 1.37 49
2 07/09/2025 13:44:06 77.81, -25.60 55.46 07/09/2025 13:43:31 77.81, -25.55 55.46 1.23 35
3 07/11/2025 23:14:49 77.85,-168.42 55.82 07/11/2025 23:15:54 77.84,-168.58 55.81 3.77 65
4 07/12/2025 00:05:33 -77.83, -0.98 124.20 07/12/2025 00:05:14 -77.81, -1.04 124.22 2.45 19
5 07/14/2025 09:36:24 -78.18,-145.53 123.48 07/14/2025 09:37:32 -78.05,-143.14 123.63 56.74 68
6 07/14/2025 10:27:00 77.83, 23.69 56.17 07/14/2025 10:26:56 77.83, 23.58 56.16 2.66 4
7 07/16/2025 20:48:27 -77.85, 48.29 123.43 07/16/2025 20:48:38 -77.85, 48.19 123.43 2.38 11
8 07/16/2025 21:39:11 77.82,-144.21 56.55 07/16/2025 21:37:58 77.81,-144.32 56.54 2.77 73
9 07/19/2025 07:09:54 77.86, 72.93 57.02 07/19/2025 07:10:19 77.89, 72.89 57.05 3.21 25
10 07/19/2025 08:00:38 -77.84,-119.63 123.00 07/19/2025 07:59:39 -77.86,-119.56 122.98 2.87 59
11 07/21/2025 17:31:21 -77.89, 97.49 122.49 07/21/2025 17:32:01 -77.89, 97.42 122.50 1.76 40

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_FY3D_TERRA_20250708.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 07/08/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA