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: 4/28/2021
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 05/09/2021 17:11:50 -81.21, 42.21 111.94 05/09/2021 17:10:34 -81.21, 42.28 111.90 1.22 76
2 05/09/2021 18:53:19 -81.21, 16.82 111.95 05/09/2021 18:52:04 -81.21, 16.85 111.91 0.48 75
3 05/09/2021 19:44:04 81.22,-176.02 68.06 05/09/2021 19:42:49 81.21,-175.98 68.10 0.62 75
4 05/09/2021 20:34:48 -81.21, -8.57 111.97 05/09/2021 20:33:34 -81.21, -8.58 111.93 0.30 74
5 05/09/2021 21:25:33 81.22, 158.60 68.05 05/09/2021 21:24:19 81.22, 158.59 68.09 0.14 74
6 05/09/2021 22:16:17 -81.21, -33.95 111.99 05/09/2021 22:15:04 -81.21, -34.01 111.94 1.03 73
7 05/09/2021 23:07:02 81.22, 133.21 68.03 05/09/2021 23:05:49 81.22, 133.16 68.08 0.91 73
8 05/09/2021 23:57:46 -81.21, -59.34 112.00 05/09/2021 23:56:34 -81.22, -59.44 111.95 1.78 72
9 05/10/2021 00:48:31 81.22, 107.82 68.02 05/10/2021 00:47:19 81.22, 107.73 68.07 1.67 72
10 05/10/2021 01:39:15 -81.21, -84.72 112.02 05/10/2021 01:38:04 -81.22, -84.87 111.96 2.52 71
11 05/10/2021 02:30:00 81.22, 82.44 68.00 05/10/2021 02:28:49 81.22, 82.30 68.06 2.43 71
12 05/10/2021 03:20:44 -81.21,-110.11 112.03 05/10/2021 03:19:34 -81.22,-110.30 111.97 3.27 70
13 05/10/2021 04:11:29 81.22, 57.05 67.98 05/10/2021 04:10:19 81.22, 56.87 68.05 3.20 70
14 05/10/2021 05:02:13 -81.21,-135.50 112.05 05/10/2021 05:01:03 -81.21,-135.35 112.03 2.58 70
15 05/10/2021 05:52:58 81.22, 31.67 67.97 05/10/2021 05:51:48 81.21, 31.82 67.98 2.66 70
16 05/10/2021 06:43:42 -81.21,-160.88 112.07 05/10/2021 06:42:33 -81.21,-160.78 112.04 1.83 69
17 05/10/2021 07:34:27 81.22, 6.28 67.95 05/10/2021 07:33:18 81.22, 6.39 67.97 1.90 69
18 05/10/2021 08:25:11 -81.22, 173.73 112.08 05/10/2021 08:24:03 -81.21, 173.79 112.05 1.09 68
19 05/10/2021 09:15:56 81.22, -19.11 67.94 05/10/2021 09:14:48 81.22, -19.04 67.96 1.13 68
20 05/10/2021 10:06:40 -81.22, 148.35 112.10 05/10/2021 10:05:33 -81.21, 148.36 112.06 0.35 67
21 05/10/2021 10:57:25 81.22, -44.49 67.92 05/10/2021 10:56:18 81.22, -44.47 67.95 0.37 67
22 05/10/2021 11:48:09 -81.22, 122.96 112.11 05/10/2021 11:47:03 -81.22, 122.93 112.07 0.42 66
23 05/10/2021 12:38:54 81.22, -69.88 67.90 05/10/2021 12:37:48 81.22, -69.90 67.94 0.40 66
24 05/10/2021 13:29:38 -81.22, 97.57 112.13 05/10/2021 13:28:33 -81.22, 97.50 112.08 1.16 65
25 05/10/2021 14:20:23 81.22, -95.26 67.89 05/10/2021 14:19:18 81.22, -95.33 67.93 1.16 65
26 05/10/2021 15:11:07 -81.22, 72.19 112.15 05/10/2021 15:10:03 -81.22, 72.08 112.09 1.91 64
27 05/10/2021 16:01:52 81.22,-120.65 67.87 05/10/2021 16:00:48 81.22,-120.76 67.92 1.92 64
28 05/10/2021 16:52:36 -81.22, 46.80 112.16 05/10/2021 16:51:33 -81.22, 46.65 112.10 2.66 63
29 05/10/2021 17:43:21 81.22,-146.04 67.86 05/10/2021 17:42:18 81.22,-146.19 67.91 2.69 63
30 05/10/2021 18:34:04 -81.22, 21.41 112.18 05/10/2021 18:33:01 -81.21, 21.60 112.17 3.19 63
31 05/10/2021 19:24:49 81.22,-171.42 67.84 05/10/2021 19:23:46 81.22,-171.24 67.85 3.17 63
32 05/10/2021 20:15:33 -81.22, -3.97 112.19 05/10/2021 20:14:31 -81.21, -3.83 112.18 2.44 62
33 05/10/2021 21:06:18 81.22, 163.19 67.82 05/10/2021 21:05:16 81.22, 163.33 67.84 2.41 62
34 05/10/2021 21:57:02 -81.22, -29.36 112.21 05/10/2021 21:56:01 -81.21, -29.26 112.19 1.70 61
35 05/10/2021 22:47:47 81.22, 137.81 67.81 05/10/2021 22:46:46 81.22, 137.90 67.83 1.64 61
36 05/10/2021 23:38:31 -81.22, -54.74 112.22 05/10/2021 23:37:31 -81.22, -54.69 112.20 0.95 60
37 05/11/2021 00:29:16 81.22, 112.42 67.79 05/11/2021 00:28:16 81.22, 112.47 67.82 0.88 60
38 05/11/2021 01:20:00 -81.22, -80.13 112.24 05/11/2021 01:19:01 -81.22, -80.12 112.21 0.21 59
39 05/11/2021 02:10:45 81.22, 87.03 67.78 05/11/2021 02:09:46 81.22, 87.04 67.81 0.13 59
40 05/11/2021 03:01:29 -81.22,-105.52 112.26 05/11/2021 03:00:31 -81.22,-105.55 112.22 0.55 58
41 05/11/2021 03:52:14 81.22, 61.65 67.76 05/11/2021 03:51:16 81.22, 61.61 67.80 0.65 58
42 05/11/2021 04:42:58 -81.22,-130.90 112.27 05/11/2021 04:42:01 -81.22,-130.98 112.23 1.30 57
43 05/11/2021 05:33:43 81.22, 36.26 67.75 05/11/2021 05:32:46 81.22, 36.18 67.79 1.42 57
44 05/11/2021 06:24:27 -81.22,-156.29 112.29 05/11/2021 06:23:31 -81.22,-156.41 112.24 2.05 56
45 05/11/2021 07:15:12 81.22, 10.88 67.73 05/11/2021 07:14:16 81.22, 10.75 67.78 2.18 56
46 05/11/2021 08:05:56 -81.22, 178.33 112.30 05/11/2021 08:05:01 -81.22, 178.16 112.25 2.80 55
47 05/11/2021 08:56:41 81.22, -14.51 67.71 05/11/2021 08:55:46 81.23, -14.68 67.77 2.94 55
48 05/11/2021 09:47:25 -81.22, 152.94 112.32 05/11/2021 09:46:30 -81.21, 153.12 112.31 3.05 55
49 05/11/2021 10:38:10 81.22, -39.90 67.70 05/11/2021 10:37:15 81.22, -39.73 67.71 2.91 55
50 05/11/2021 11:28:54 -81.22, 127.55 112.33 05/11/2021 11:28:00 -81.22, 127.69 112.32 2.30 54
51 05/11/2021 12:19:39 81.22, -65.28 67.68 05/11/2021 12:18:45 81.22, -65.16 67.70 2.15 54
52 05/11/2021 13:10:23 -81.22, 102.17 112.35 05/11/2021 13:09:30 -81.22, 102.26 112.33 1.55 53
53 05/11/2021 14:01:08 81.22, -90.67 67.67 05/11/2021 14:00:15 81.22, -90.59 67.69 1.39 53
54 05/11/2021 14:51:52 -81.22, 76.78 112.37 05/11/2021 14:51:00 -81.22, 76.83 112.34 0.80 52
55 05/11/2021 15:42:37 81.22,-116.06 67.65 05/11/2021 15:41:45 81.22,-116.02 67.68 0.62 52
56 05/11/2021 16:33:21 -81.22, 51.39 112.38 05/11/2021 16:32:30 -81.22, 51.40 112.35 0.06 51
57 05/11/2021 17:24:06 81.22,-141.44 67.64 05/11/2021 17:23:15 81.22,-141.45 67.67 0.17 51
58 05/11/2021 18:14:50 -81.22, 26.01 112.40 05/11/2021 18:14:00 -81.22, 25.97 112.36 0.70 50
59 05/11/2021 19:05:35 81.22,-166.83 67.62 05/11/2021 19:04:45 81.22,-166.88 67.66 0.92 50
60 05/11/2021 19:56:19 -81.22, 0.62 112.41 05/11/2021 19:55:30 -81.22, 0.54 112.37 1.44 49
61 05/11/2021 20:47:04 81.22, 167.79 67.61 05/11/2021 20:46:15 81.23, 167.69 67.65 1.68 49
62 05/11/2021 21:37:48 -81.22, -24.76 112.43 05/11/2021 21:37:00 -81.22, -24.89 112.38 2.19 48
63 05/11/2021 22:28:32 81.22, 142.79 67.54 05/11/2021 22:27:44 81.22, 142.64 67.58 2.44 48
64 05/11/2021 23:19:17 -81.22, -50.15 112.44 05/11/2021 23:18:30 -81.22, -50.32 112.39 2.94 47
65 05/12/2021 00:10:01 81.22, 117.40 67.52 05/12/2021 00:09:14 81.22, 117.21 67.57 3.20 47
66 05/12/2021 01:00:46 -81.22, -75.54 112.46 05/12/2021 00:59:59 -81.22, -75.37 112.46 2.90 47
67 05/12/2021 01:51:31 81.22, 91.63 67.56 05/12/2021 01:50:44 81.22, 91.78 67.56 2.65 47
68 05/12/2021 02:42:15 -81.22,-100.92 112.47 05/12/2021 02:41:29 -81.22,-100.80 112.47 2.15 46
69 05/12/2021 03:33:00 81.22, 66.24 67.54 05/12/2021 03:32:14 81.22, 66.35 67.55 1.89 46

Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 4/28/2021
SNOs_Map_FY3D_NPP_20210428.jpg

Download SNOs between FY3D and NPP since TLE EPOCH: 04/28/2021 in txt file.

Historial Predications of SNOs between FY3D and NPP