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: 7/15/2025
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 07/20/2025 13:36:03 76.14, -16.21 55.61 07/20/2025 13:34:48 76.15, -16.09 55.62 3.42 75
2 07/20/2025 14:26:47 -76.13, 151.15 124.39 07/20/2025 14:25:45 -76.12, 151.04 124.42 3.18 62
3 07/20/2025 15:17:33 76.16, -41.67 55.65 07/20/2025 15:16:44 76.17, -41.51 55.65 4.19 49
4 07/20/2025 16:08:17 -76.15, 125.69 124.36 07/20/2025 16:07:41 -76.13, 125.62 124.39 2.90 36
5 07/20/2025 16:59:02 76.14, -66.96 55.64 07/20/2025 16:58:41 76.14, -67.09 55.64 3.62 21
6 07/20/2025 17:49:47 -76.17, 100.24 124.33 07/20/2025 17:49:37 -76.15, 100.20 124.35 3.00 10
7 07/20/2025 18:40:32 76.17, -92.41 55.68 07/20/2025 18:40:37 76.16, -92.51 55.67 2.76 5
8 07/20/2025 19:31:17 -76.20, 74.79 124.29 07/20/2025 19:31:33 -76.17, 74.78 124.32 3.45 16
9 07/20/2025 20:22:02 76.19,-117.87 55.71 07/20/2025 20:22:33 76.18,-117.93 55.70 2.14 31
10 07/20/2025 21:12:46 -76.18, 49.50 124.30 07/20/2025 21:13:29 -76.18, 49.36 124.29 3.82 43
11 07/20/2025 22:03:32 76.21,-143.32 55.74 07/20/2025 22:04:29 76.19,-143.35 55.73 1.99 57
12 07/20/2025 22:54:16 -76.20, 24.04 124.27 07/20/2025 22:55:25 -76.20, 23.94 124.26 2.85 69
13 07/20/2025 23:45:10 76.59,-170.13 56.10 07/20/2025 23:46:17 76.56,-167.42 56.16 70.04 67

Figure of FY3D and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/15/2025
SNOs_Map_FY3D_NOAA-19_20250715.jpg

Download SNOs between FY3D and NOAA-19 since TLE EPOCH: 07/15/2025 in txt file.

Historial Predications of SNOs between FY3D and NOAA-19