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: 8/20/2025
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 08/22/2025 09:51:47 78.06, 32.29 66.37 08/22/2025 09:52:04 78.05, 32.43 66.36 3.33 17
2 08/22/2025 10:42:29 -78.00,-160.03 113.69 08/22/2025 10:41:25 -78.00,-160.12 113.68 2.11 64
3 08/24/2025 20:13:13 -78.06, 57.01 112.81 08/24/2025 20:13:42 -78.05, 56.98 112.81 0.94 29
4 08/24/2025 21:03:58 78.03,-135.50 67.18 08/24/2025 21:03:01 78.02,-135.51 67.17 1.33 57
5 08/27/2025 06:34:41 78.06, 81.72 68.04 08/27/2025 06:35:17 78.09, 81.69 68.07 3.77 36
6 08/27/2025 07:25:24 -78.03,-110.80 111.98 08/27/2025 07:24:38 -78.06,-110.79 111.95 3.18 46
7 08/29/2025 16:56:08 -78.10, 106.21 111.06 08/29/2025 16:56:55 -78.08, 106.19 111.08 1.98 47
8 08/29/2025 17:46:53 78.07, -86.33 68.93 08/29/2025 17:46:13 78.07, -86.18 68.93 3.47 40
9 09/01/2025 03:17:36 78.10, 130.87 69.83 09/01/2025 03:18:29 78.12, 130.92 69.84 1.98 53
10 09/01/2025 04:08:19 -78.07, -61.63 110.20 09/01/2025 04:07:51 -78.05, -61.71 110.22 2.58 28
11 09/03/2025 13:39:02 -78.11, 155.56 109.29 09/03/2025 13:40:06 -78.14, 155.56 109.25 3.69 64
12 09/03/2025 14:29:47 78.08, -37.00 70.71 09/03/2025 14:29:25 78.07, -37.06 70.70 1.90 22

Figure of FY3D and TERRA satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_FY3D_TERRA_20250821.jpg

Download SNOs between FY3D and TERRA since TLE EPOCH: 08/20/2025 in txt file.

Historial Predications of SNOs between FY3D and TERRA