Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/5/2024
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/17/2024 23:29:36 -61.62,-134.66 78.26 04/17/2024 23:28:21 -61.56,-134.45 78.18 13.09 75
2 04/18/2024 00:11:40 80.74, 129.32 72.89 04/18/2024 00:10:27 80.74, 129.32 72.93 0.17 73
3 04/18/2024 01:01:38 -79.56, -49.78 109.55 04/18/2024 01:00:28 -79.56, -49.71 109.53 1.45 70
4 04/18/2024 01:53:07 80.83, 102.43 73.11 04/18/2024 01:52:01 80.82, 102.52 73.13 1.83 66
5 04/18/2024 02:44:50 -81.32,-113.69 103.49 04/18/2024 02:43:48 -81.31,-113.78 103.45 2.30 62
6 04/18/2024 03:33:29 79.13, 95.50 69.72 04/18/2024 03:32:31 79.15, 95.41 69.78 2.99 58
7 04/18/2024 04:25:29 -81.12,-122.06 105.94 04/18/2024 04:24:34 -81.11,-122.11 105.91 1.15 55
8 04/18/2024 05:14:46 78.93, 71.55 69.39 04/18/2024 05:13:55 78.94, 71.51 69.42 1.29 51
9 04/18/2024 06:05:53 -79.79,-127.85 109.22 04/18/2024 06:05:05 -79.79,-127.86 109.20 0.26 48
10 04/18/2024 06:56:11 79.02, 45.61 69.50 04/18/2024 06:55:27 79.02, 45.62 69.51 0.41 44
11 04/18/2024 07:45:59 -76.85,-135.82 113.48 04/18/2024 07:45:18 -76.85,-135.81 113.47 0.26 41
12 04/18/2024 08:38:19 80.42, 7.27 72.00 04/18/2024 08:37:42 80.41, 7.34 71.99 2.08 37
13 04/18/2024 09:25:49 -72.41,-148.78 118.61 04/18/2024 09:25:15 -72.41,-148.77 118.60 0.30 34
14 04/18/2024 10:12:15 58.48, 33.93 47.57 04/18/2024 10:11:46 58.50, 33.94 47.58 1.94 29
15 04/18/2024 11:05:31 -67.09,-166.12 124.12 04/18/2024 11:05:04 -67.09,-166.13 124.12 0.23 27
16 04/18/2024 11:50:05 46.31, 14.68 36.60 04/18/2024 11:49:43 46.31, 14.67 36.57 0.56 22
17 04/18/2024 13:02:59 -53.56, 17.53 70.53 04/18/2024 13:02:42 -53.56, 17.53 70.51 0.23 17
18 04/18/2024 13:46:55 75.49,-149.31 86.89 04/18/2024 13:46:40 75.48,-149.30 86.91 1.12 15
19 04/18/2024 14:36:58 -77.25, 24.41 95.30 04/18/2024 14:36:47 -77.24, 24.44 95.30 0.71 11
20 04/18/2024 15:29:49 70.91, 175.03 91.98 04/18/2024 15:29:41 70.92, 175.03 91.98 0.73 8
21 04/18/2024 16:16:59 -80.20, 18.99 99.88 04/18/2024 16:16:55 -80.20, 19.03 99.88 0.87 4
22 04/18/2024 17:10:27 73.20, 154.06 89.46 04/18/2024 17:10:26 73.23, 154.08 89.44 2.60 1
23 04/18/2024 17:57:14 -81.32, 17.89 103.67 04/18/2024 17:57:17 -81.31, 17.94 103.68 1.50 3
24 04/18/2024 18:48:52 80.47, 164.30 79.51 04/18/2024 18:48:59 80.46, 164.21 79.52 1.96 7
25 04/18/2024 19:41:22 -76.53, -54.49 94.47 04/18/2024 19:41:33 -76.53, -54.55 94.46 1.52 11
26 04/18/2024 20:30:29 80.09, 134.40 80.29 04/18/2024 20:30:43 80.09, 134.39 80.28 0.29 14
27 04/18/2024 21:21:36 -79.29, -65.39 98.32 04/18/2024 21:21:54 -79.29, -65.42 98.33 0.75 18
28 04/18/2024 22:11:54 80.02, 108.33 80.40 04/18/2024 22:12:15 80.03, 108.39 80.37 1.39 21
29 04/18/2024 23:02:08 -80.72, -75.41 101.17 04/18/2024 23:02:33 -80.72, -75.39 101.19 0.31 25
30 04/18/2024 23:53:14 80.09, 83.77 80.23 04/18/2024 23:53:42 80.11, 83.89 80.19 3.07 28
31 04/19/2024 00:42:52 -81.27, -86.50 103.34 04/19/2024 00:43:24 -81.27, -86.42 103.37 1.56 32
32 04/19/2024 01:33:58 80.97, 71.36 78.05 04/19/2024 01:34:34 80.97, 71.26 78.04 1.81 36
33 04/19/2024 02:25:35 -79.58,-139.08 98.88 04/19/2024 02:26:15 -79.58,-139.21 98.89 2.52 40
34 04/19/2024 03:15:24 80.92, 44.78 78.22 04/19/2024 03:16:07 80.91, 44.77 78.19 0.14 43

Figure of NOAA-20 and NPP satellite orbits during SNOs since TLE Epoch: 4/5/2024
SNOs_Map_NOAA-20_NPP_20240405.jpg

Download SNOs between NOAA-20 and NPP since TLE EPOCH: 04/05/2024 in txt file.

Historial Predications of SNOs between NOAA-20 and NPP