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: 4/13/2025
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 04/15/2025 17:07:00 75.68, -69.88 65.68 04/15/2025 17:08:01 75.67, -69.98 65.67 3.23 61
2 04/15/2025 17:57:43 -75.66, 97.52 114.36 04/15/2025 17:57:29 -75.64, 97.58 114.38 2.87 14
3 04/18/2025 09:23:45 75.71, 45.92 64.77 04/18/2025 09:24:27 75.69, 45.98 64.76 2.51 42
4 04/18/2025 10:14:27 -75.64,-146.53 115.31 04/18/2025 10:13:56 -75.62,-146.60 115.34 3.20 31
5 04/21/2025 01:40:29 75.70, 161.83 63.85 04/21/2025 01:40:53 75.67, 161.82 63.82 2.95 24
6 04/21/2025 02:31:11 -75.63, -30.61 116.23 04/21/2025 02:30:21 -75.65, -30.62 116.22 2.51 50
7 04/23/2025 17:06:36 -76.16, 108.81 116.63 04/23/2025 17:07:43 -76.09, 111.31 116.61 67.03 67
8 04/23/2025 17:57:12 75.71, -82.30 62.96 04/23/2025 17:57:16 75.72, -82.17 62.98 3.69 4
9 04/23/2025 18:47:54 -75.63, 85.26 117.12 04/23/2025 18:46:45 -75.64, 85.26 117.12 1.41 69
10 04/26/2025 09:23:10 -75.72,-133.77 117.88 04/26/2025 09:24:14 -75.75,-133.83 117.85 3.31 64
11 04/26/2025 10:13:55 75.68, 33.68 62.08 04/26/2025 10:13:41 75.67, 33.58 62.06 3.14 14

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/13/2025
SNOs_Map_FY3D_LANDSAT-8_20250413.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/13/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8