Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/19/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/21/2025 01:40:29 75.71, 161.79 63.86 04/21/2025 01:40:52 75.72, 161.94 63.87 4.10 23
2 04/21/2025 02:31:11 -75.65, -30.67 116.22 04/21/2025 02:30:21 -75.64, -30.66 116.23 1.13 50
3 04/23/2025 17:06:37 -76.17, 108.77 116.62 04/23/2025 17:07:44 -76.09, 111.31 116.60 68.34 67
4 04/23/2025 17:57:12 75.67, -82.17 62.93 04/23/2025 17:57:18 75.68, -82.29 62.93 3.58 6
5 04/23/2025 18:47:55 -75.64, 85.23 117.11 04/23/2025 18:46:46 -75.65, 85.26 117.11 1.14 69
6 04/26/2025 09:23:11 -75.72,-133.79 117.88 04/26/2025 09:24:16 -75.73,-133.90 117.87 3.05 65
7 04/26/2025 10:13:56 75.68, 33.68 62.07 04/26/2025 10:13:42 75.70, 33.67 62.09 2.79 14
8 04/26/2025 11:04:26 -75.05,-157.01 118.48 04/26/2025 11:03:21 -75.13,-160.29 118.55 94.29 65
9 04/29/2025 01:39:54 -75.74, -17.96 118.70 04/29/2025 01:40:39 -75.72, -18.02 118.72 3.00 45
10 04/29/2025 02:30:39 75.70, 149.50 61.25 04/29/2025 02:30:05 75.69, 149.54 61.24 1.36 34
11 05/01/2025 17:56:37 -75.73, 97.98 119.52 05/01/2025 17:57:02 -75.73, 97.90 119.52 2.23 25

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/19/2025
SNOs_Map_FY3D_LANDSAT-8_20250419.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/19/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8