Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/31/2023
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 09/11/2023 23:25:31 -81.18, -49.29 99.14 09/11/2023 23:26:47 -81.18, -49.38 99.17 1.70 76
2 09/12/2023 00:16:16 81.18, 118.05 80.87 09/12/2023 00:17:31 81.18, 118.16 80.82 1.86 75
3 09/12/2023 01:07:02 -81.18, -74.52 99.13 09/12/2023 01:08:16 -81.18, -74.44 99.19 1.50 74
4 09/12/2023 01:57:47 81.18, 92.81 80.88 09/12/2023 01:59:01 81.18, 92.72 80.85 1.62 74
5 09/12/2023 02:48:33 -81.18, -99.75 99.13 09/12/2023 02:49:46 -81.18, -99.87 99.15 2.02 73
6 09/12/2023 03:39:19 81.18, 67.19 80.94 09/12/2023 03:40:31 81.18, 67.28 80.89 1.58 72
7 09/12/2023 04:30:05 -81.18,-125.37 99.07 09/12/2023 04:31:16 -81.18,-125.31 99.12 1.12 71
8 09/12/2023 05:20:50 81.18, 41.96 80.94 09/12/2023 05:22:01 81.18, 41.85 80.92 2.01 71
9 09/12/2023 06:11:36 -81.18,-150.60 99.06 09/12/2023 06:12:46 -81.18,-150.74 99.08 2.35 70
10 09/12/2023 07:02:21 81.18, 16.73 80.95 09/12/2023 07:03:30 81.17, 16.79 80.90 1.22 69
11 09/12/2023 07:53:08 -81.18,-176.22 99.01 09/12/2023 07:54:16 -81.18,-176.18 99.05 0.90 68
12 09/12/2023 08:43:52 81.18, -8.50 80.96 09/12/2023 08:45:00 81.18, -8.64 80.94 2.39 68
13 09/12/2023 09:34:39 -81.18, 158.55 99.00 09/12/2023 09:35:46 -81.18, 158.39 99.01 2.75 67
14 09/12/2023 10:25:24 81.18, -34.12 81.01 09/12/2023 10:26:30 81.18, -34.08 80.97 0.79 66
15 09/12/2023 11:16:10 -81.18, 133.31 99.00 09/12/2023 11:17:15 -81.18, 133.33 99.03 0.56 65
16 09/12/2023 12:06:55 81.18, -59.36 81.02 09/12/2023 12:08:00 81.18, -59.51 81.01 2.69 65
17 09/12/2023 12:57:41 -81.18, 108.08 98.99 09/12/2023 12:58:45 -81.18, 107.90 99.00 3.14 64
18 09/12/2023 13:48:27 81.18, -84.98 81.08 09/12/2023 13:49:30 81.18, -84.95 81.04 0.56 63
19 09/12/2023 14:39:13 -81.18, 82.46 98.93 09/12/2023 14:40:15 -81.18, 82.46 98.97 0.04 62
20 09/12/2023 15:29:58 81.18,-110.21 81.08 09/12/2023 15:31:00 81.18,-110.39 81.08 3.04 62
21 09/12/2023 16:20:45 -81.18, 56.84 98.88 09/12/2023 16:21:45 -81.18, 57.03 98.93 3.13 60
22 09/12/2023 17:11:29 81.18,-135.44 81.09 09/12/2023 17:12:29 81.17,-135.44 81.06 0.58 60
23 09/12/2023 18:02:16 -81.18, 31.61 98.87 09/12/2023 18:03:15 -81.18, 31.59 98.90 0.50 59
24 09/12/2023 18:53:01 81.18,-161.06 81.15 09/12/2023 18:53:59 81.18,-160.88 81.09 3.20 58
25 09/12/2023 19:43:47 -81.18, 6.38 98.86 09/12/2023 19:44:44 -81.17, 6.54 98.92 2.76 57
26 09/12/2023 20:34:32 81.18, 173.70 81.16 09/12/2023 20:35:29 81.18, 173.69 81.13 0.33 57
27 09/12/2023 21:25:18 -81.18, -18.85 98.85 09/12/2023 21:26:14 -81.17, -18.90 98.88 0.94 56
28 09/12/2023 22:16:04 81.18, 148.08 81.21 09/12/2023 22:16:59 81.18, 148.25 81.16 2.86 55
29 09/12/2023 23:06:50 -81.18, -44.47 98.80 09/12/2023 23:07:44 -81.18, -44.33 98.85 2.36 54
30 09/12/2023 23:57:35 81.18, 122.85 81.22 09/12/2023 23:58:29 81.18, 122.81 81.20 0.66 54
31 09/13/2023 00:48:21 -81.18, -69.70 98.79 09/13/2023 00:49:14 -81.18, -69.77 98.81 1.13 53
32 09/13/2023 01:39:06 81.18, 97.62 81.23 09/13/2023 01:39:58 81.17, 97.76 81.18 2.56 52
33 09/13/2023 02:29:53 -81.18, -95.32 98.74 09/13/2023 02:30:44 -81.18, -95.21 98.78 2.01 51
34 09/13/2023 03:20:38 81.18, 72.00 81.28 09/13/2023 03:21:29 81.19, 71.94 81.27 1.15 51
35 09/13/2023 04:11:24 -81.18,-120.56 98.73 09/13/2023 04:12:14 -81.18,-120.64 98.74 1.49 50
36 09/13/2023 05:02:09 81.18, 46.76 81.29 09/13/2023 05:02:58 81.18, 46.89 81.25 2.14 49
37 09/13/2023 05:52:55 -81.18,-145.79 98.72 09/13/2023 05:53:43 -81.17,-145.70 98.76 1.73 48
38 09/13/2023 06:43:40 81.18, 21.53 81.30 09/13/2023 06:44:28 81.18, 21.45 81.28 1.38 48
39 09/13/2023 07:34:27 -81.18,-171.41 98.66 09/13/2023 07:35:14 -81.19,-171.51 98.67 1.93 47
40 09/13/2023 08:25:12 81.18, -4.09 81.35 09/13/2023 08:25:58 81.18, -3.99 81.31 1.79 46
41 09/13/2023 09:15:58 -81.18, 163.36 98.66 09/13/2023 09:16:43 -81.18, 163.43 98.69 1.27 45
42 09/13/2023 10:06:43 81.18, -29.32 81.36 09/13/2023 10:07:28 81.18, -29.42 81.35 1.69 45
43 09/13/2023 10:57:29 -81.18, 138.13 98.65 09/13/2023 10:58:13 -81.18, 138.00 98.66 2.25 44
44 09/13/2023 11:48:14 81.18, -54.95 81.42 09/13/2023 11:48:57 81.18, -54.86 81.38 1.54 43
45 09/13/2023 12:39:00 -81.18, 112.51 98.59 09/13/2023 12:39:42 -81.18, 112.56 98.62 0.89 42
46 09/13/2023 13:29:45 81.18, -80.18 81.42 09/13/2023 13:30:27 81.18, -80.30 81.42 2.09 42
47 09/13/2023 14:20:31 -81.18, 87.28 98.59 09/13/2023 14:21:12 -81.18, 87.13 98.59 2.59 41
48 09/13/2023 15:11:16 81.18,-105.41 81.43 09/13/2023 15:11:56 81.18,-105.35 81.40 1.12 40
49 09/13/2023 16:02:03 -81.18, 61.66 98.53 09/13/2023 16:02:42 -81.18, 61.69 98.55 0.74 39
50 09/13/2023 16:52:47 81.18,-130.64 81.44 09/13/2023 16:53:26 81.18,-130.79 81.43 2.45 39
51 09/13/2023 17:43:34 -81.18, 36.42 98.52 09/13/2023 17:44:12 -81.19, 36.25 98.52 2.99 38
52 09/13/2023 18:34:19 81.18,-156.27 81.49 09/13/2023 18:34:56 81.18,-156.22 81.47 0.72 37
53 09/13/2023 19:25:05 -81.18, 11.19 98.52 09/13/2023 19:25:41 -81.18, 11.20 98.54 0.40 36
54 09/13/2023 20:15:50 81.18, 178.50 81.50 09/13/2023 20:16:26 81.18, 178.34 81.50 2.76 36
55 09/13/2023 21:06:37 -81.18, -14.43 98.46 09/13/2023 21:07:11 -81.18, -14.24 98.50 3.23 34
56 09/13/2023 21:57:22 81.18, 152.88 81.56 09/13/2023 21:57:56 81.18, 152.90 81.54 0.57 34
57 09/13/2023 22:48:08 -81.18, -39.66 98.45 09/13/2023 22:48:41 -81.18, -39.67 98.47 0.23 33
58 09/13/2023 23:38:53 81.18, 127.65 81.57 09/13/2023 23:39:26 81.18, 127.47 81.57 3.12 33
59 09/14/2023 00:29:40 -81.18, -65.28 98.40 09/14/2023 00:30:11 -81.18, -65.11 98.43 2.91 31
60 09/14/2023 01:20:24 81.18, 102.41 81.57 09/14/2023 01:20:55 81.18, 102.41 81.55 0.47 31
61 09/14/2023 02:11:11 -81.18, -90.51 98.39 09/14/2023 02:11:41 -81.18, -90.55 98.40 0.72 30
62 09/14/2023 03:01:56 81.18, 76.79 81.63 09/14/2023 03:02:25 81.18, 76.97 81.59 3.13 29

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 8/31/2023
SNOs_Map_FY3D_NPP_20230831.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 08/31/2023 in txt file.

Historial Predications of SNOs between FY3D and NPP