Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/22/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 03/30/2025 12:54:12 -75.62, 173.13 108.38 03/30/2025 12:53:05 -75.62, 170.32 108.44 77.73 67
2 03/30/2025 13:45:07 76.04, -21.02 72.00 03/30/2025 13:43:58 76.05, -20.94 72.01 2.23 69
3 03/30/2025 14:35:51 -76.04, 146.30 108.02 03/30/2025 14:34:52 -76.05, 146.34 108.01 1.36 59
4 03/30/2025 15:26:37 76.06, -46.44 71.99 03/30/2025 15:25:55 76.04, -46.48 71.96 2.81 42
5 03/30/2025 16:17:21 -76.06, 120.88 108.03 03/30/2025 16:16:49 -76.04, 120.80 108.06 3.21 32
6 03/30/2025 17:08:07 76.07, -71.87 71.98 03/30/2025 17:07:51 76.06, -71.86 71.97 1.12 16
7 03/30/2025 17:58:51 -76.07, 95.45 108.04 03/30/2025 17:58:45 -76.07, 95.42 108.05 1.20 6
8 03/30/2025 18:49:37 76.09, -97.29 71.96 03/30/2025 18:49:47 76.09, -97.23 71.97 1.73 10
9 03/30/2025 19:40:21 -76.09, 70.03 108.06 03/30/2025 19:40:41 -76.09, 70.04 108.05 0.82 20
10 03/30/2025 20:31:07 76.10,-122.72 71.95 03/30/2025 20:31:44 76.08,-122.77 71.93 3.18 37
11 03/30/2025 21:21:51 -76.10, 44.60 108.07 03/30/2025 21:22:37 -76.12, 44.67 108.05 2.83 46
12 03/30/2025 22:12:37 76.12,-148.15 71.94 03/30/2025 22:13:40 76.11,-148.15 71.93 1.29 63
13 03/30/2025 23:03:21 -76.12, 19.17 108.08 03/30/2025 23:04:34 -76.11, 19.13 108.09 1.74 73

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/22/2025
SNOs_Map_FY3D_NOAA-19_20250322.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 03/22/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19