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: 7/16/2025
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, 104.34 54.88 07/20/2025 04:08:55 74.91, 107.62 54.57 94.84 65
2 07/20/2025 04:58:31 -74.84, -87.96 125.27 07/20/2025 04:59:39 -74.80, -85.37 125.52 75.64 68
3 07/20/2025 05:49:13 74.64, 79.89 54.50 07/20/2025 05:50:23 74.61, 81.45 54.34 46.15 70
4 07/20/2025 06:39:55 -74.55,-112.56 125.59 07/20/2025 06:41:07 -74.49,-111.52 125.75 31.68 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 4.93 73
6 07/20/2025 08:21:20 -74.32,-137.31 125.85 07/20/2025 08:22:32 -74.33,-137.27 125.87 1.86 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 3.20 66
8 07/20/2025 10:02:50 -74.32,-162.70 125.84 07/20/2025 10:03:54 -74.32,-162.65 125.86 1.50 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 1.84 58
10 07/20/2025 11:44:20 -74.32, 171.92 125.82 07/20/2025 11:45:16 -74.30, 171.97 125.86 3.08 56
11 07/20/2025 12:35:06 74.32, -20.75 54.18 07/20/2025 12:35:56 74.30, -20.69 54.15 2.28 50
12 07/20/2025 13:25:49 -74.28, 146.66 125.85 07/20/2025 13:26:38 -74.29, 146.60 125.86 2.01 49
13 07/20/2025 14:16:35 74.27, -46.01 54.15 07/20/2025 14:17:18 74.29, -46.06 54.15 2.67 43
14 07/20/2025 15:07:19 -74.28, 121.27 125.84 07/20/2025 15:08:00 -74.27, 121.22 125.86 2.03 41
15 07/20/2025 15:58:04 74.28, -71.40 54.16 07/20/2025 15:58:39 74.28, -71.44 54.16 1.35 35
16 07/20/2025 16:48:48 -74.29, 95.89 125.82 07/20/2025 16:49:20 -74.31, 95.97 125.81 3.22 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 2.27 27
18 07/20/2025 18:30:18 -74.29, 70.50 125.80 07/20/2025 18:30:42 -74.29, 70.59 125.81 2.65 24
19 07/20/2025 19:21:04 74.28,-122.17 54.20 07/20/2025 19:21:22 74.30,-122.07 54.20 3.24 18
20 07/20/2025 20:11:48 -74.30, 45.12 125.78 07/20/2025 20:12:04 -74.28, 45.21 125.81 3.50 16
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 3.24 10
22 07/20/2025 21:53:17 -74.25, 19.86 125.82 07/20/2025 21:53:26 -74.27, 19.84 125.81 1.56 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 2.76 3
24 07/20/2025 23:34:47 -74.26, -5.53 125.80 07/20/2025 23:34:48 -74.25, -5.54 125.80 0.67 1
25 07/21/2025 00:25:33 74.25, 161.80 54.20 07/21/2025 00:25:28 74.25, 161.80 54.21 0.67 5
26 07/21/2025 01:16:17 -74.26, -30.91 125.78 07/21/2025 01:16:10 -74.24, -30.92 125.80 2.65 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 1.42 13
28 07/21/2025 02:57:46 -74.22, -56.18 125.82 07/21/2025 02:57:32 -74.22, -56.29 125.80 3.60 14
29 07/21/2025 03:48:33 74.26, 111.03 54.24 07/21/2025 03:48:12 74.23, 111.05 54.21 3.51 21
30 07/21/2025 04:39:16 -74.22, -81.56 125.80 07/21/2025 04:38:54 -74.21, -81.67 125.80 3.51 22
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 3.03 28
32 07/21/2025 06:20:46 -74.23,-106.95 125.78 07/21/2025 06:20:15 -74.24,-106.92 125.76 2.22 31
33 07/21/2025 07:11:32 74.22, 60.38 54.22 07/21/2025 07:10:55 74.25, 60.42 54.26 3.45 37
34 07/21/2025 08:02:16 -74.23,-132.33 125.76 07/21/2025 08:01:37 -74.23,-132.30 125.75 0.98 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 1.75 45
36 07/21/2025 09:43:46 -74.23,-157.72 125.74 07/21/2025 09:42:59 -74.22,-157.68 125.75 2.36 47
37 07/21/2025 10:34:32 74.23, 9.61 54.26 07/21/2025 10:33:39 74.22, 9.66 54.26 1.71 53
38 07/21/2025 11:25:15 -74.19, 177.02 125.78 07/21/2025 11:24:21 -74.20, 176.95 125.75 2.61 54
39 07/21/2025 12:16:01 74.18, -15.65 54.22 07/21/2025 12:15:01 74.20, -15.71 54.27 3.23 60
40 07/21/2025 13:06:45 -74.19, 151.64 125.76 07/21/2025 13:05:43 -74.19, 151.57 125.74 2.06 62
41 07/21/2025 13:57:31 74.19, -41.03 54.24 07/21/2025 13:56:23 74.19, -41.09 54.27 1.78 68
42 07/21/2025 14:48:15 -74.20, 126.25 125.74 07/21/2025 14:47:05 -74.17, 126.20 125.74 3.21 70
43 07/21/2025 15:39:00 74.14, -66.30 54.20 07/21/2025 15:37:46 74.13, -66.59 54.23 9.06 74
44 07/21/2025 16:29:42 -74.06, 101.23 125.89 07/21/2025 16:28:29 -74.06, 100.58 125.82 20.02 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 53.59 70
46 07/21/2025 18:11:06 -73.77, 76.57 126.21 07/21/2025 18:09:57 -73.75, 74.50 126.05 64.38 69

Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 7/16/2025
SNOs_Map_NOAA-20_METOP-B_20250716.jpg

Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 07/16/2025 in txt file.

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