Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/8/2025
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 05/21/2025 02:16:51 77.32, 147.27 57.05 05/21/2025 02:17:56 77.29, 150.77 57.09 85.63 65
2 05/21/2025 03:07:32 -77.19, -44.79 123.09 05/21/2025 03:08:41 -77.14, -42.57 123.09 55.17 69
3 05/21/2025 03:58:13 77.01, 123.33 56.74 05/21/2025 03:59:26 76.93, 123.90 56.68 16.60 73
4 05/21/2025 04:48:55 -76.91, -68.95 123.36 05/21/2025 04:50:08 -76.91, -68.87 123.36 1.97 73
5 05/21/2025 05:39:40 76.90, 98.42 56.62 05/21/2025 05:40:48 76.92, 98.50 56.65 2.82 68
6 05/21/2025 06:30:24 -76.89, -94.22 123.40 05/21/2025 06:31:30 -76.89, -94.28 123.39 1.50 66
7 05/21/2025 07:21:09 76.87, 73.15 56.58 05/21/2025 07:22:10 76.90, 73.09 56.61 3.33 61
8 05/21/2025 08:11:54 -76.91,-119.67 123.40 05/21/2025 08:12:52 -76.87,-119.68 123.42 3.47 58
9 05/21/2025 09:02:39 76.89, 47.70 56.59 05/21/2025 09:03:32 76.88, 47.69 56.58 1.01 53
10 05/21/2025 09:53:23 -76.88,-144.94 123.43 05/21/2025 09:54:13 -76.90,-144.91 123.41 2.44 50
11 05/21/2025 10:44:08 76.87, 22.43 56.55 05/21/2025 10:44:54 76.87, 22.28 56.55 3.63 46
12 05/21/2025 11:34:53 -76.90,-170.40 123.43 05/21/2025 11:35:35 -76.89,-170.31 123.44 2.66 42
13 05/21/2025 12:25:38 76.89, -3.03 56.56 05/21/2025 12:26:15 76.90, -2.95 56.57 2.22 37
14 05/21/2025 13:16:22 -76.88, 164.33 123.46 05/21/2025 13:16:57 -76.87, 164.28 123.47 1.49 35
15 05/21/2025 14:07:07 76.86, -28.30 56.52 05/21/2025 14:07:37 76.88, -28.35 56.54 2.09 30
16 05/21/2025 14:57:52 -76.90, 138.88 123.46 05/21/2025 14:58:18 -76.90, 139.05 123.45 4.40 26
17 05/21/2025 15:48:37 76.88, -53.75 56.52 05/21/2025 15:48:59 76.86, -53.75 56.51 2.31 22
18 05/21/2025 16:39:21 -76.87, 113.61 123.50 05/21/2025 16:39:40 -76.88, 113.65 123.49 1.46 19
19 05/21/2025 17:30:06 76.86, -79.02 56.49 05/21/2025 17:30:20 76.89, -78.98 56.52 3.59 14
20 05/21/2025 18:20:50 -76.85, 88.34 123.53 05/21/2025 18:21:02 -76.87, 88.25 123.52 2.95 12
21 05/21/2025 19:11:36 76.88,-104.48 56.49 05/21/2025 19:11:42 76.87,-104.39 56.49 2.34 6
22 05/21/2025 20:02:20 -76.87, 62.88 123.53 05/21/2025 20:02:24 -76.85, 62.84 123.55 2.33 4
23 05/21/2025 20:53:05 76.86,-129.75 56.46 05/21/2025 20:53:04 76.86,-129.79 56.46 1.11 1
24 05/21/2025 21:43:49 -76.84, 37.61 123.56 05/21/2025 21:43:45 -76.88, 37.61 123.53 3.67 4
25 05/21/2025 22:34:35 76.88,-155.20 56.46 05/21/2025 22:34:26 76.84,-155.20 56.43 3.66 9
26 05/21/2025 23:25:19 -76.86, 12.16 123.56 05/21/2025 23:25:07 -76.86, 12.21 123.56 1.26 12
27 05/22/2025 00:16:04 76.85, 179.53 56.43 05/22/2025 00:15:47 76.87, 179.58 56.44 2.44 17
28 05/22/2025 01:06:48 -76.84, -13.11 123.60 05/22/2025 01:06:29 -76.85, -13.19 123.59 2.19 19
29 05/22/2025 01:57:34 76.87, 154.07 56.43 05/22/2025 01:57:09 76.85, 154.17 56.41 3.12 25
30 05/22/2025 02:48:17 -76.86, -38.56 123.59 05/22/2025 02:47:50 -76.83, -38.60 123.63 3.46 27
31 05/22/2025 03:39:02 76.85, 128.80 56.39 05/22/2025 03:38:30 76.84, 128.77 56.38 1.35 32

Figure of FY3D and METOP-C satellite orbits during SNOs since TLE Epoch: 5/8/2025
SNOs_Map_FY3D_METOP-C_20250508.jpg

Download SNOs between FY3D and METOP-C since TLE EPOCH: 05/08/2025 in txt file.

Historial Predications of SNOs between FY3D and METOP-C