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: 8/31/2025
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 73.30, 168.12 68.39 81.19 67
2 09/10/2025 01:10:34 -73.24, -26.86 111.56 09/10/2025 01:11:43 -73.19, -24.80 111.71 66.44 69
3 09/10/2025 02:01:16 73.06, 140.86 68.26 09/10/2025 02:02:27 72.97, 142.07 68.11 40.67 71
4 09/10/2025 02:51:58 -72.95, -51.59 111.86 09/10/2025 02:53:10 -72.92, -50.72 111.93 28.62 72
5 09/10/2025 03:42:40 72.76, 116.11 67.96 09/10/2025 03:43:53 72.75, 116.26 67.93 5.27 73
6 09/10/2025 04:33:23 -72.70, -76.45 112.09 09/10/2025 04:34:36 -72.69, -76.53 112.11 2.60 73
7 09/10/2025 05:24:09 72.72, 90.82 67.94 09/10/2025 05:25:15 72.73, 90.88 67.94 2.36 66
8 09/10/2025 06:14:53 -72.71,-101.84 112.06 09/10/2025 06:15:57 -72.72,-101.80 112.06 2.07 64
9 09/10/2025 07:05:39 72.72, 65.44 67.98 09/10/2025 07:06:37 72.71, 65.50 67.95 2.69 58
10 09/10/2025 07:56:23 -72.72,-127.23 112.03 09/10/2025 07:57:19 -72.70,-127.19 112.05 2.02 56
11 09/10/2025 08:47:08 72.68, 40.15 67.95 09/10/2025 08:47:59 72.69, 40.12 67.96 1.44 51
12 09/10/2025 09:37:52 -72.67,-152.52 112.05 09/10/2025 09:38:41 -72.68,-152.57 112.04 2.12 49
13 09/10/2025 10:28:38 72.69, 14.76 67.99 09/10/2025 10:29:21 72.67, 14.73 67.96 2.44 43
14 09/10/2025 11:19:22 -72.68,-177.90 112.01 09/10/2025 11:20:03 -72.66,-177.95 112.03 2.55 41
15 09/10/2025 12:10:08 72.69, -10.63 68.02 09/10/2025 12:10:42 72.70, -10.54 68.02 2.74 34
16 09/10/2025 13:00:52 -72.69, 156.71 111.98 09/10/2025 13:01:24 -72.69, 156.77 111.98 2.15 32
17 09/10/2025 13:51:37 72.65, -35.91 68.00 09/10/2025 13:52:04 72.68, -35.93 68.02 2.89 27
18 09/10/2025 14:42:21 -72.64, 131.42 112.00 09/10/2025 14:42:46 -72.67, 131.39 111.97 3.28 25
19 09/10/2025 15:33:07 72.66, -61.30 68.04 09/10/2025 15:33:26 72.66, -61.31 68.03 0.41 19
20 09/10/2025 16:23:51 -72.65, 106.03 111.96 09/10/2025 16:24:08 -72.65, 106.00 111.97 0.93 17
21 09/10/2025 17:14:37 72.66, -86.69 68.07 09/10/2025 17:14:48 72.63, -86.69 68.04 3.39 11
22 09/10/2025 18:05:21 -72.66, 80.64 111.93 09/10/2025 18:05:30 -72.63, 80.62 111.96 3.22 9
23 09/10/2025 18:56:06 72.62,-111.97 68.05 09/10/2025 18:56:10 72.61,-112.07 68.05 3.44 4
24 09/10/2025 19:46:51 -72.66, 55.26 111.90 09/10/2025 19:46:51 -72.66, 55.34 111.90 3.01 0
25 09/10/2025 20:37:36 72.63,-137.36 68.08 09/10/2025 20:37:31 72.64,-137.35 68.10 1.72 5
26 09/10/2025 21:28:20 -72.62, 29.97 111.92 09/10/2025 21:28:13 -72.64, 29.96 111.90 1.93 7
27 09/10/2025 22:19:06 72.64,-162.75 68.12 09/10/2025 22:18:53 72.62,-162.73 68.11 1.53 13
28 09/10/2025 23:09:50 -72.63, 4.58 111.88 09/10/2025 23:09:35 -72.62, 4.58 111.89 1.21 15
29 09/11/2025 00:00:35 72.59, 171.96 68.10 09/11/2025 00:00:15 72.60, 171.88 68.11 2.90 20
30 09/11/2025 00:51:19 -72.58, -20.70 111.90 09/11/2025 00:50:57 -72.60, -20.80 111.88 3.51 22
31 09/11/2025 01:42:05 72.60, 146.57 68.13 09/11/2025 01:41:37 72.58, 146.50 68.12 3.18 28
32 09/11/2025 02:32:49 -72.59, -46.09 111.87 09/11/2025 02:32:19 -72.58, -46.18 111.87 3.53 30
33 09/11/2025 03:23:35 72.61, 121.19 68.17 09/11/2025 03:22:58 72.61, 121.22 68.18 1.31 37
34 09/11/2025 04:14:19 -72.60, -71.48 111.83 09/11/2025 04:13:40 -72.61, -71.46 111.82 0.95 39
35 09/11/2025 05:05:05 72.61, 95.80 68.20 09/11/2025 05:04:20 72.59, 95.84 68.18 2.98 45
36 09/11/2025 05:55:49 -72.61, -96.87 111.80 09/11/2025 05:55:02 -72.58, -96.85 111.81 2.55 47
37 09/11/2025 06:46:34 72.57, 70.51 68.18 09/11/2025 06:45:42 72.57, 70.46 68.19 1.80 52
38 09/11/2025 07:37:18 -72.56,-122.16 111.82 09/11/2025 07:36:24 -72.56,-122.23 111.81 2.35 54
39 09/11/2025 08:28:04 72.58, 45.12 68.22 09/11/2025 08:27:03 72.60, 45.18 68.24 3.08 61
40 09/11/2025 09:18:48 -72.57,-147.55 111.78 09/11/2025 09:17:45 -72.59,-147.51 111.75 2.94 63
41 09/11/2025 10:09:34 72.58, 19.73 68.25 09/11/2025 10:08:25 72.58, 19.80 68.25 2.20 69
42 09/11/2025 11:00:18 -72.58,-172.94 111.75 09/11/2025 10:59:07 -72.57,-172.89 111.74 1.61 71
43 09/11/2025 11:51:02 72.49, -5.45 68.17 09/11/2025 11:49:48 72.51, -5.69 68.21 8.21 74
44 09/11/2025 12:41:45 -72.43, 161.98 111.88 09/11/2025 12:40:31 -72.45, 161.52 111.83 15.50 74
45 09/11/2025 13:32:26 72.19, -30.23 67.88 09/11/2025 13:31:15 72.23, -31.57 67.99 45.81 71
46 09/11/2025 14:23:09 -72.13, 137.19 112.17 09/11/2025 14:21:59 -72.12, 135.54 112.10 56.28 70
47 09/11/2025 15:13:50 71.89, -55.03 67.59 09/11/2025 15:12:43 71.90, -57.54 67.71 86.69 67
48 09/11/2025 16:04:33 -71.83, 112.39 112.46 09/11/2025 16:03:26 -71.84, 109.68 112.33 93.76 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/31/2025
SNOs_Map_NOAA-21_METOP-C_20250901.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 08/31/2025 in txt file.

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