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: 11/14/2025
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 11/15/2025 14:01:54 -76.54, 159.04 84.56 11/15/2025 14:03:04 -76.52, 159.15 84.56 3.35 70
2 11/15/2025 14:52:37 76.45, -33.30 95.38 11/15/2025 14:52:31 76.46, -33.42 95.38 3.36 6
3 11/15/2025 15:43:13 -76.08, 135.40 84.90 11/15/2025 15:42:05 -76.14, 133.19 84.97 59.37 68
4 11/18/2025 06:18:28 -76.53, -85.02 83.91 11/18/2025 06:19:34 -76.54, -84.92 83.89 2.45 66
5 11/18/2025 07:09:12 76.49, 82.47 96.07 11/18/2025 07:09:01 76.47, 82.49 96.04 2.25 11
6 11/18/2025 07:59:44 -75.94,-108.18 84.35 11/18/2025 07:58:39 -75.96,-111.49 84.53 89.50 65
7 11/20/2025 22:35:02 -76.54, 30.88 83.30 11/20/2025 22:36:04 -76.51, 30.88 83.31 3.36 62
8 11/20/2025 23:25:46 76.50,-161.63 96.68 11/20/2025 23:25:30 76.49,-161.55 96.67 2.06 16
9 11/23/2025 14:51:34 -76.52, 146.90 82.75 11/23/2025 14:52:31 -76.55, 146.88 82.72 2.89 57
10 11/23/2025 15:42:18 76.48, -45.60 97.23 11/23/2025 15:41:58 76.47, -45.73 97.21 3.30 20
11 11/26/2025 07:08:08 -76.56, -97.29 82.21 11/26/2025 07:08:59 -76.54, -97.25 82.21 1.90 51
12 11/26/2025 07:58:52 76.51, 70.21 97.77 11/26/2025 07:58:25 76.51, 70.29 97.77 2.36 27

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/14/2025
SNOs_Map_FY3D_LANDSAT-8_20251115.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 11/14/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8