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: 9/17/2023
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 09/17/2023 03:47:22 81.18, 65.84 82.70 09/17/2023 03:46:46 81.18, 65.84 82.72 0.15 36
2 09/17/2023 04:38:08 -81.18,-126.77 97.30 09/17/2023 04:37:31 -81.18,-126.85 97.28 1.26 37
3 09/17/2023 05:28:54 81.18, 40.22 82.75 09/17/2023 05:28:16 81.18, 40.40 82.75 3.02 38
4 09/17/2023 06:19:40 -81.18,-152.40 97.25 09/17/2023 06:19:01 -81.18,-152.29 97.24 1.89 39
5 09/17/2023 07:10:25 81.18, 14.98 82.76 09/17/2023 07:09:46 81.18, 14.96 82.79 0.60 39
6 09/17/2023 08:01:11 -81.18,-177.63 97.24 09/17/2023 08:00:31 -81.18,-177.73 97.20 1.61 40
7 09/17/2023 08:51:56 81.18, -10.26 82.77 09/17/2023 08:51:15 81.17, -10.10 82.77 2.68 41
8 09/17/2023 09:42:42 -81.18, 157.13 97.23 09/17/2023 09:42:00 -81.17, 157.21 97.22 1.60 42
9 09/17/2023 10:33:27 81.18, -35.49 82.78 09/17/2023 10:32:45 81.17, -35.54 82.80 0.95 42
10 09/17/2023 11:24:13 -81.18, 131.89 97.22 09/17/2023 11:23:30 -81.17, 131.77 97.19 2.04 43
11 09/17/2023 12:14:59 81.18, -61.12 82.84 09/17/2023 12:14:15 81.18, -60.98 82.84 2.33 44
12 09/17/2023 13:05:45 -81.18, 106.27 97.17 09/17/2023 13:05:00 -81.17, 106.34 97.15 1.18 45
13 09/17/2023 13:56:30 81.18, -86.36 82.84 09/17/2023 13:55:45 81.18, -86.42 82.88 1.14 45
14 09/17/2023 14:47:16 -81.18, 81.03 97.16 09/17/2023 14:46:30 -81.18, 80.90 97.12 2.29 46
15 09/17/2023 15:38:02 81.18,-111.98 82.90 09/17/2023 15:37:15 81.18,-111.86 82.91 2.05 47
16 09/17/2023 16:28:48 -81.18, 55.41 97.10 09/17/2023 16:28:00 -81.18, 55.46 97.08 0.88 48
17 09/17/2023 17:19:33 81.18,-137.22 82.91 09/17/2023 17:18:45 81.18,-137.30 82.95 1.49 48
18 09/17/2023 18:10:19 -81.18, 30.17 97.09 09/17/2023 18:09:30 -81.18, 30.02 97.05 2.63 49
19 09/17/2023 19:01:04 81.18,-162.46 82.92 09/17/2023 19:00:14 81.17,-162.36 82.93 1.73 50
20 09/17/2023 19:51:50 -81.18, 4.93 97.09 09/17/2023 19:50:59 -81.17, 4.96 97.07 0.75 51
21 09/17/2023 20:42:35 81.18, 172.30 82.93 09/17/2023 20:41:44 81.17, 172.20 82.96 1.87 51
22 09/17/2023 21:33:22 -81.18, -20.69 97.03 09/17/2023 21:32:30 -81.18, -20.86 96.97 3.02 52
23 09/17/2023 22:24:07 81.18, 146.68 82.98 09/17/2023 22:23:14 81.18, 146.76 83.00 1.34 53
24 09/17/2023 23:14:53 -81.18, -45.93 97.02 09/17/2023 23:13:59 -81.18, -45.92 96.99 0.23 54
25 09/18/2023 00:05:38 81.18, 121.44 82.99 09/18/2023 00:04:44 81.18, 121.32 83.04 2.12 54
26 09/18/2023 00:56:25 -81.18, -71.55 96.96 09/18/2023 00:55:29 -81.18, -71.36 96.96 3.27 56
27 09/18/2023 01:47:10 81.18, 95.81 83.05 09/18/2023 01:46:14 81.18, 95.87 83.07 1.09 56
28 09/18/2023 02:37:56 -81.18, -96.79 96.96 09/18/2023 02:36:59 -81.18, -96.80 96.92 0.30 57
29 09/18/2023 03:28:41 81.18, 70.58 83.06 09/18/2023 03:27:44 81.18, 70.43 83.11 2.46 57
30 09/18/2023 04:19:27 -81.18,-122.03 96.95 09/18/2023 04:18:28 -81.17,-121.86 96.94 2.96 59
31 09/18/2023 05:10:12 81.18, 45.34 83.06 09/18/2023 05:09:13 81.17, 45.37 83.09 0.84 59
32 09/18/2023 06:00:59 -81.18,-147.65 96.89 09/18/2023 05:59:59 -81.18,-147.68 96.85 0.83 60
33 09/18/2023 06:51:43 81.18, 20.10 83.07 09/18/2023 06:50:43 81.17, 19.93 83.12 2.84 60
34 09/18/2023 07:42:30 -81.18,-172.89 96.88 09/18/2023 07:41:28 -81.17,-172.74 96.87 2.57 62
35 09/18/2023 08:33:15 81.18, -5.53 83.13 09/18/2023 08:32:13 81.18, -5.51 83.16 0.36 62
36 09/18/2023 09:24:01 -81.18, 161.87 96.87 09/18/2023 09:22:58 -81.18, 161.82 96.83 0.91 63
37 09/18/2023 10:14:46 81.18, -30.77 83.14 09/18/2023 10:13:43 81.18, -30.95 83.20 3.11 63
38 09/18/2023 11:05:33 -81.18, 136.25 96.82 09/18/2023 11:04:28 -81.18, 136.38 96.80 2.25 65
39 09/18/2023 11:56:18 81.18, -56.39 83.20 09/18/2023 11:55:13 81.18, -56.39 83.23 0.34 65
40 09/18/2023 12:47:04 -81.18, 111.01 96.81 09/18/2023 12:45:58 -81.18, 110.94 96.76 1.23 66
41 09/18/2023 13:37:49 81.18, -81.63 83.20 09/18/2023 13:36:42 81.17, -81.45 83.21 3.19 67
42 09/18/2023 14:28:35 -81.18, 85.77 96.80 09/18/2023 14:27:27 -81.17, 85.88 96.78 1.98 68
43 09/18/2023 15:19:20 81.18,-106.87 83.21 09/18/2023 15:18:12 81.17,-106.89 83.25 0.59 68
44 09/18/2023 16:10:07 -81.18, 60.15 96.74 09/18/2023 16:08:58 -81.18, 60.06 96.69 1.66 69
45 09/18/2023 17:00:52 81.18,-132.49 83.27 09/18/2023 16:59:42 81.17,-132.33 83.28 2.83 70
46 09/18/2023 17:51:38 -81.18, 34.91 96.74 09/18/2023 17:50:27 -81.17, 35.00 96.71 1.56 71
47 09/18/2023 18:42:23 81.18,-157.73 83.28 09/18/2023 18:41:12 81.18,-157.77 83.32 0.63 71
48 09/18/2023 19:33:09 -81.18, 9.67 96.73 09/18/2023 19:31:57 -81.18, 9.56 96.67 1.92 72
49 09/18/2023 20:23:55 81.18, 176.64 83.34 09/18/2023 20:22:42 81.18, 176.79 83.36 2.54 73
50 09/18/2023 21:14:41 -81.18, -15.95 96.67 09/18/2023 21:13:27 -81.18, -15.88 96.64 1.23 74
51 09/18/2023 22:05:26 81.18, 151.40 83.34 09/18/2023 22:04:12 81.18, 151.35 83.39 1.00 74
52 09/18/2023 22:56:12 -81.18, -41.19 96.66 09/18/2023 22:54:57 -81.18, -41.32 96.60 2.24 75

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 9/17/2023
SNOs_Map_FY3D_NPP_20230917.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 09/17/2023 in txt file.

Historial Predications of SNOs between FY3D and NPP