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: 7/13/2025
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 07/15/2025 14:20:53 -76.02, 152.86 125.37 07/15/2025 14:21:19 -76.03, 153.00 125.36 3.82 26
2 07/15/2025 15:11:37 75.97, -39.64 54.59 07/15/2025 15:10:46 75.96, -39.57 54.57 2.35 51
3 07/18/2025 06:37:32 -75.99, -91.10 124.95 07/18/2025 06:37:50 -76.01, -91.19 124.93 3.10 18
4 07/18/2025 07:28:17 75.98, 76.24 55.05 07/18/2025 07:27:16 75.98, 76.38 55.05 3.98 61
5 07/20/2025 22:03:38 76.46,-144.27 55.97 07/20/2025 22:04:45 76.38,-141.76 55.97 66.15 67
6 07/20/2025 22:54:12 -76.00, 24.76 124.44 07/20/2025 22:54:20 -76.02, 24.73 124.42 2.31 8
7 07/20/2025 23:44:56 75.95,-167.74 55.52 07/20/2025 23:43:47 75.94,-167.85 55.51 3.03 69
8 07/23/2025 14:20:09 76.08, -26.92 56.16 07/23/2025 14:21:21 76.09, -26.82 56.18 3.07 72
9 07/23/2025 15:10:52 -76.02, 140.60 123.89 07/23/2025 15:10:50 -76.02, 140.62 123.88 0.77 2
10 07/23/2025 16:01:31 75.74, -51.11 55.88 07/23/2025 16:00:20 75.80, -52.42 55.88 36.57 71
11 07/26/2025 06:36:47 76.05, 89.08 56.72 07/26/2025 06:37:50 76.07, 89.03 56.75 2.93 63
12 07/26/2025 07:27:31 -76.04,-103.56 123.29 07/26/2025 07:27:19 -76.01,-103.53 123.32 2.98 12

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/13/2025
SNOs_Map_FY3D_LANDSAT-8_20250713.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/13/2025 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8