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: 4/9/2025
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 04/15/2025 12:02:30 75.61, 6.49 65.69 04/15/2025 12:01:24 75.57, 3.39 65.56 85.90 66
2 04/15/2025 12:53:23 -76.04, 172.34 113.95 04/15/2025 12:52:08 -76.05, 172.32 113.94 1.44 75
3 04/15/2025 13:44:09 76.04, -20.35 66.05 04/15/2025 13:43:10 76.05, -20.44 66.05 2.72 59
4 04/15/2025 14:34:53 -76.05, 146.91 113.96 04/15/2025 14:34:04 -76.07, 146.93 113.94 2.48 49
5 04/15/2025 15:25:39 76.05, -45.78 66.04 04/15/2025 15:25:06 76.07, -45.83 66.05 2.67 33
6 04/15/2025 16:16:23 -76.07, 121.48 113.96 04/15/2025 16:16:01 -76.06, 121.38 113.98 2.86 22
7 04/15/2025 17:07:09 76.07, -71.22 66.03 04/15/2025 17:07:02 76.10, -71.21 66.06 3.48 7
8 04/15/2025 17:57:53 -76.09, 96.04 113.97 04/15/2025 17:57:57 -76.08, 96.00 113.98 1.28 4
9 04/15/2025 18:48:39 76.09, -96.65 66.02 04/15/2025 18:48:59 76.08, -96.76 66.01 3.10 20
10 04/15/2025 19:39:23 -76.10, 70.61 113.98 04/15/2025 19:39:53 -76.11, 70.61 113.97 0.83 30
11 04/15/2025 20:30:09 76.10,-122.08 66.01 04/15/2025 20:30:55 76.11,-122.15 66.02 1.95 46
12 04/15/2025 21:20:53 -76.12, 45.18 113.99 04/15/2025 21:21:49 -76.14, 45.23 113.97 2.31 56
13 04/15/2025 22:11:39 76.12,-147.51 66.00 04/15/2025 22:12:51 76.14,-147.54 66.02 1.82 72
14 04/15/2025 23:02:30 -76.45, 18.58 113.72 04/15/2025 23:03:39 -76.43, 20.84 113.67 58.78 69

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/9/2025
SNOs_Map_FY3D_NOAA-19_20250409.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 04/09/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19