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: 7/14/2025
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 07/15/2025 14:20:53 -76.00, 152.95 125.39 07/15/2025 14:21:20 -76.01, 152.93 125.38 0.89 27
2 07/15/2025 15:11:37 75.95, -39.55 54.57 07/15/2025 15:10:47 75.94, -39.63 54.55 2.27 50
3 07/18/2025 06:37:33 -76.01, -91.18 124.93 07/18/2025 06:37:51 -75.99, -91.25 124.96 3.21 18
4 07/18/2025 07:28:17 75.95, 76.33 55.03 07/18/2025 07:27:17 75.96, 76.32 55.03 1.05 60
5 07/20/2025 22:03:38 76.48,-144.34 55.99 07/20/2025 22:04:45 76.36,-141.81 55.95 67.23 67
6 07/20/2025 22:54:12 -76.02, 24.69 124.42 07/20/2025 22:54:20 -76.00, 24.68 124.44 2.04 8
7 07/20/2025 23:44:56 75.97,-167.81 55.54 07/20/2025 23:43:46 75.98,-167.76 55.54 1.86 70
8 07/23/2025 14:20:09 76.09, -26.99 56.18 07/23/2025 14:21:21 76.07, -26.86 56.17 4.23 72
9 07/23/2025 15:10:52 -76.04, 140.53 123.87 07/23/2025 15:10:50 -76.01, 140.57 123.90 3.44 2
10 07/23/2025 16:01:30 75.71, -51.02 55.85 07/23/2025 16:00:20 75.78, -52.46 55.87 40.48 70
11 07/26/2025 06:36:48 76.07, 89.01 56.73 07/26/2025 06:37:51 76.06, 89.00 56.74 0.68 63
12 07/26/2025 07:27:31 -76.01,-103.47 123.31 07/26/2025 07:27:20 -76.00,-103.56 123.33 2.72 11

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/14/2025
SNOs_Map_FY3D_LANDSAT-8_20250714.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/14/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8