Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and METOP-B Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/18/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Distance(km) Time Diff (sec)
1 07/20/2025 04:07:50 74.97, 104.35 54.88 07/20/2025 04:08:55 74.91, 107.62 54.57 94.73 65
2 07/20/2025 04:58:31 -74.84, -87.97 125.27 07/20/2025 04:59:39 -74.79, -85.38 125.52 75.59 68
3 07/20/2025 05:49:13 74.64, 79.90 54.50 07/20/2025 05:50:23 74.61, 81.45 54.34 46.04 70
4 07/20/2025 06:39:55 -74.56,-112.56 125.59 07/20/2025 06:41:07 -74.49,-111.53 125.75 31.69 72
5 07/20/2025 07:30:37 74.35, 55.28 54.18 07/20/2025 07:31:50 74.35, 55.44 54.15 4.82 73
6 07/20/2025 08:21:20 -74.32,-137.31 125.85 07/20/2025 08:22:32 -74.33,-137.28 125.87 1.49 72
7 07/20/2025 09:12:06 74.31, 30.02 54.15 07/20/2025 09:13:12 74.33, 30.07 54.15 3.25 66
8 07/20/2025 10:02:50 -74.32,-162.70 125.83 07/20/2025 10:03:54 -74.31,-162.66 125.87 1.62 64
9 07/20/2025 10:53:36 74.31, 4.64 54.16 07/20/2025 10:54:34 74.32, 4.69 54.15 1.80 58
10 07/20/2025 11:44:19 -74.28, 172.04 125.87 07/20/2025 11:45:16 -74.30, 171.97 125.86 3.27 57
11 07/20/2025 12:35:06 74.31, -20.75 54.18 07/20/2025 12:35:56 74.30, -20.69 54.15 2.12 50
12 07/20/2025 13:25:49 -74.28, 146.66 125.85 07/20/2025 13:26:38 -74.28, 146.59 125.86 1.99 49
13 07/20/2025 14:16:35 74.27, -46.01 54.14 07/20/2025 14:17:18 74.29, -46.06 54.15 2.83 43
14 07/20/2025 15:07:18 -74.29, 121.27 125.83 07/20/2025 15:07:59 -74.27, 121.21 125.86 2.38 41
15 07/20/2025 15:58:04 74.27, -71.39 54.16 07/20/2025 15:58:39 74.28, -71.44 54.16 1.48 35
16 07/20/2025 16:48:48 -74.29, 95.88 125.82 07/20/2025 16:49:20 -74.31, 95.96 125.82 2.87 32
17 07/20/2025 17:39:34 74.28, -96.78 54.18 07/20/2025 17:40:01 74.26, -96.82 54.16 2.24 27
18 07/20/2025 18:30:18 -74.29, 70.50 125.80 07/20/2025 18:30:42 -74.29, 70.58 125.81 2.56 24
19 07/20/2025 19:21:04 74.28,-122.16 54.20 07/20/2025 19:21:22 74.30,-122.07 54.20 3.17 18
20 07/20/2025 20:11:47 -74.25, 45.24 125.84 07/20/2025 20:12:04 -74.28, 45.21 125.81 3.22 17
21 07/20/2025 21:02:34 74.29,-147.55 54.22 07/20/2025 21:02:44 74.28,-147.45 54.20 3.09 10
22 07/20/2025 21:53:17 -74.25, 19.85 125.82 07/20/2025 21:53:26 -74.26, 19.83 125.81 1.24 9
23 07/20/2025 22:44:03 74.24,-172.81 54.18 07/20/2025 22:44:06 74.27,-172.82 54.21 2.88 3
24 07/20/2025 23:34:47 -74.26, -5.53 125.80 07/20/2025 23:34:48 -74.25, -5.55 125.81 1.10 1
25 07/21/2025 00:25:33 74.25, 161.81 54.20 07/21/2025 00:25:28 74.25, 161.80 54.21 0.79 5
26 07/21/2025 01:16:17 -74.26, -30.92 125.78 07/21/2025 01:16:10 -74.24, -30.92 125.80 3.07 7
27 07/21/2025 02:07:03 74.25, 136.42 54.22 07/21/2025 02:06:50 74.24, 136.42 54.21 1.31 13
28 07/21/2025 02:57:46 -74.22, -56.18 125.82 07/21/2025 02:57:32 -74.22, -56.30 125.80 3.67 14
29 07/21/2025 03:48:33 74.26, 111.03 54.24 07/21/2025 03:48:12 74.23, 111.04 54.21 3.39 21
30 07/21/2025 04:39:16 -74.22, -81.56 125.80 07/21/2025 04:38:53 -74.26, -81.55 125.76 3.74 23
31 07/21/2025 05:30:02 74.21, 85.77 54.20 07/21/2025 05:29:34 74.21, 85.67 54.22 3.18 28
32 07/21/2025 06:20:46 -74.23,-106.95 125.78 07/21/2025 06:20:15 -74.24,-106.93 125.76 1.78 31
33 07/21/2025 07:11:32 74.22, 60.39 54.22 07/21/2025 07:10:55 74.25, 60.41 54.26 3.51 37
34 07/21/2025 08:02:16 -74.23,-132.33 125.76 07/21/2025 08:01:37 -74.23,-132.31 125.75 0.92 39
35 07/21/2025 08:53:02 74.22, 35.00 54.24 07/21/2025 08:52:17 74.23, 35.04 54.26 1.72 45
36 07/21/2025 09:43:46 -74.24,-157.72 125.74 07/21/2025 09:42:59 -74.21,-157.68 125.75 2.67 47
37 07/21/2025 10:34:32 74.22, 9.62 54.26 07/21/2025 10:33:39 74.22, 9.66 54.26 1.52 53
38 07/21/2025 11:25:15 -74.19, 177.02 125.78 07/21/2025 11:24:21 -74.20, 176.94 125.75 2.55 54
39 07/21/2025 12:16:02 74.23, -15.77 54.27 07/21/2025 12:15:01 74.20, -15.72 54.26 3.24 61
40 07/21/2025 13:06:45 -74.20, 151.63 125.76 07/21/2025 13:05:43 -74.19, 151.57 125.75 2.37 62
41 07/21/2025 13:57:31 74.18, -41.03 54.24 07/21/2025 13:56:23 74.19, -41.09 54.27 1.97 68
42 07/21/2025 14:48:15 -74.20, 126.25 125.74 07/21/2025 14:47:04 -74.22, 126.31 125.71 2.97 71
43 07/21/2025 15:39:00 74.14, -66.29 54.20 07/21/2025 15:37:46 74.13, -66.59 54.23 9.22 74
44 07/21/2025 16:29:42 -74.06, 101.23 125.89 07/21/2025 16:28:29 -74.06, 100.57 125.82 20.17 73
45 07/21/2025 17:20:24 73.85, -90.95 53.88 07/21/2025 17:19:14 73.81, -92.68 54.00 53.76 70
46 07/21/2025 18:11:06 -73.77, 76.57 126.21 07/21/2025 18:09:57 -73.75, 74.49 126.05 64.55 69

Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 7/18/2025
SNOs_Map_NOAA-20_METOP-B_20250718.jpg

Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 07/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and METOP-B