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: 5/23/2025
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 05/24/2025 04:42:37 77.62, 109.53 56.74 05/24/2025 04:43:33 77.62, 109.60 56.74 1.96 56
2 05/24/2025 05:33:20 -77.57, -82.92 123.32 05/24/2025 05:32:55 -77.57, -82.94 123.32 0.48 25
3 05/26/2025 15:04:11 -77.86, 132.96 123.45 05/26/2025 15:05:21 -77.74, 134.57 123.57 40.19 70
4 05/26/2025 15:54:50 77.61, -58.44 56.30 05/26/2025 15:54:42 77.58, -58.38 56.27 3.27 8
5 05/29/2025 02:16:18 -77.62, -33.76 124.10 05/29/2025 02:16:32 -77.60, -33.84 124.12 2.75 14
6 05/29/2025 03:07:02 77.57, 133.78 55.86 05/29/2025 03:05:50 77.58, 133.76 55.86 1.06 72
7 05/31/2025 12:37:47 77.63, -9.16 55.57 05/31/2025 12:38:18 77.62, -9.23 55.56 2.08 31
8 05/31/2025 13:28:31 -77.61, 158.26 124.46 05/31/2025 13:27:40 -77.58, 158.26 124.50 3.91 51
9 06/02/2025 22:59:16 -77.68, 15.32 124.71 06/02/2025 23:00:07 -77.66, 15.41 124.73 3.18 51
10 06/02/2025 23:49:59 77.60,-176.98 55.22 06/02/2025 23:49:25 77.63,-177.01 55.25 3.73 34
11 06/05/2025 09:20:43 77.67, 40.03 55.01 06/05/2025 09:21:51 77.70, 40.09 55.04 2.97 68
12 06/05/2025 10:11:27 -77.64,-152.50 125.02 06/05/2025 10:11:13 -77.65,-152.43 125.01 2.11 14

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 5/23/2025
SNOs_Map_FY3D_TERRA_20250523.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 05/23/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA