Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/8/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 09/10/2025 00:19:52 73.35, 165.58 68.55 09/10/2025 00:20:59 73.29, 168.10 68.38 80.80 67
2 09/10/2025 01:10:34 -73.25, -26.87 111.55 09/10/2025 01:11:43 -73.18, -24.83 111.72 66.25 69
3 09/10/2025 02:01:16 73.06, 140.85 68.26 09/10/2025 02:02:27 72.97, 142.06 68.11 40.36 71
4 09/10/2025 02:51:58 -72.95, -51.61 111.85 09/10/2025 02:53:10 -72.90, -50.75 111.94 28.54 72
5 09/10/2025 03:42:40 72.76, 116.11 67.96 09/10/2025 03:43:53 72.75, 116.25 67.93 4.97 73
6 09/10/2025 04:33:23 -72.71, -76.47 112.09 09/10/2025 04:34:35 -72.73, -76.45 112.08 2.61 72
7 09/10/2025 05:24:09 72.72, 90.82 67.94 09/10/2025 05:25:15 72.72, 90.87 67.94 1.71 66
8 09/10/2025 06:14:53 -72.72,-101.86 112.05 09/10/2025 06:15:57 -72.71,-101.83 112.07 0.93 64
9 09/10/2025 07:05:39 72.72, 65.44 67.97 09/10/2025 07:06:37 72.70, 65.49 67.94 2.68 58
10 09/10/2025 07:56:22 -72.67,-127.14 112.07 09/10/2025 07:57:19 -72.69,-127.22 112.06 3.20 57
11 09/10/2025 08:47:08 72.68, 40.15 67.95 09/10/2025 08:47:59 72.68, 40.10 67.95 1.69 51
12 09/10/2025 09:37:52 -72.68,-152.53 112.04 09/10/2025 09:38:41 -72.67,-152.60 112.05 2.48 49
13 09/10/2025 10:28:38 72.69, 14.76 67.99 09/10/2025 10:29:21 72.66, 14.72 67.96 3.00 43
14 09/10/2025 11:19:22 -72.69,-177.92 112.00 09/10/2025 11:20:02 -72.70,-177.88 112.00 2.08 40
15 09/10/2025 12:10:08 72.69, -10.62 68.02 09/10/2025 12:10:42 72.69, -10.56 68.01 2.24 34
16 09/10/2025 13:00:52 -72.69, 156.69 111.97 09/10/2025 13:01:24 -72.68, 156.74 111.99 2.23 32
17 09/10/2025 13:51:37 72.65, -35.91 68.00 09/10/2025 13:52:04 72.67, -35.94 68.02 2.70 27
18 09/10/2025 14:42:21 -72.65, 131.41 111.99 09/10/2025 14:42:46 -72.66, 131.36 111.98 1.91 25
19 09/10/2025 15:33:07 72.66, -61.30 68.04 09/10/2025 15:33:26 72.65, -61.32 68.03 0.99 19
20 09/10/2025 16:23:51 -72.66, 106.02 111.96 09/10/2025 16:24:08 -72.64, 105.98 111.98 2.50 17
21 09/10/2025 17:14:37 72.66, -86.69 68.07 09/10/2025 17:14:47 72.68, -86.60 68.08 3.48 10
22 09/10/2025 18:05:21 -72.66, 80.63 111.92 09/10/2025 18:05:29 -72.67, 80.70 111.92 2.30 8
23 09/10/2025 18:56:07 72.67,-112.07 68.10 09/10/2025 18:56:09 72.66,-111.98 68.09 3.26 2
24 09/10/2025 19:46:50 -72.62, 55.35 111.94 09/10/2025 19:46:51 -72.65, 55.32 111.91 3.20 1
25 09/10/2025 20:37:36 72.63,-137.36 68.08 09/10/2025 20:37:31 72.64,-137.36 68.10 1.48 5
26 09/10/2025 21:28:20 -72.63, 29.96 111.91 09/10/2025 21:28:13 -72.63, 29.93 111.91 0.76 7
27 09/10/2025 22:19:06 72.63,-162.75 68.12 09/10/2025 22:18:53 72.62,-162.75 68.10 1.63 13
28 09/10/2025 23:09:50 -72.63, 4.57 111.88 09/10/2025 23:09:35 -72.61, 4.55 111.90 3.16 15
29 09/11/2025 00:00:35 72.59, 171.97 68.10 09/11/2025 00:00:15 72.60, 171.87 68.11 3.34 20
30 09/11/2025 00:51:20 -72.64, -20.82 111.84 09/11/2025 00:50:56 -72.64, -20.73 111.85 3.16 24
31 09/11/2025 01:42:05 72.60, 146.58 68.13 09/11/2025 01:41:36 72.63, 146.59 68.17 3.54 29
32 09/11/2025 02:32:49 -72.60, -46.11 111.86 09/11/2025 02:32:18 -72.61, -46.11 111.84 2.00 31
33 09/11/2025 03:23:35 72.60, 121.19 68.16 09/11/2025 03:22:58 72.61, 121.21 68.17 0.78 37
34 09/11/2025 04:14:19 -72.60, -71.49 111.83 09/11/2025 04:13:40 -72.59, -71.49 111.83 1.10 39
35 09/11/2025 05:05:05 72.61, 95.80 68.20 09/11/2025 05:04:20 72.59, 95.83 68.18 2.83 45
36 09/11/2025 05:55:48 -72.56, -96.78 111.85 09/11/2025 05:55:02 -72.57, -96.87 111.82 3.43 46
37 09/11/2025 06:46:34 72.57, 70.52 68.18 09/11/2025 06:45:42 72.57, 70.45 68.19 2.35 52
38 09/11/2025 07:37:18 -72.57,-122.17 111.81 09/11/2025 07:36:24 -72.55,-122.25 111.82 3.31 54
39 09/11/2025 08:28:04 72.57, 45.13 68.21 09/11/2025 08:27:03 72.60, 45.17 68.24 2.77 61
40 09/11/2025 09:18:48 -72.57,-147.56 111.78 09/11/2025 09:17:45 -72.58,-147.53 111.76 1.20 63
41 09/11/2025 10:09:34 72.58, 19.74 68.25 09/11/2025 10:08:25 72.57, 19.79 68.25 1.66 69
42 09/11/2025 11:00:18 -72.58,-172.94 111.75 09/11/2025 10:59:07 -72.56,-172.91 111.75 2.39 71
43 09/11/2025 11:51:02 72.49, -5.44 68.17 09/11/2025 11:49:48 72.50, -5.70 68.21 8.78 74
44 09/11/2025 12:41:45 -72.44, 161.97 111.87 09/11/2025 12:40:31 -72.44, 161.50 111.84 15.92 74
45 09/11/2025 13:32:26 72.19, -30.23 67.88 09/11/2025 13:31:15 72.23, -31.59 67.98 46.40 71
46 09/11/2025 14:23:09 -72.14, 137.19 112.17 09/11/2025 14:21:59 -72.11, 135.52 112.11 56.89 70
47 09/11/2025 15:13:50 71.89, -55.03 67.58 09/11/2025 15:12:43 71.90, -57.55 67.71 87.28 67
48 09/11/2025 16:04:33 -71.84, 112.38 112.46 09/11/2025 16:03:26 -71.83, 109.66 112.34 94.31 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_NOAA-21_METOP-C_20250908.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/08/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and METOP-C