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: 8/29/2025
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 00:19:53 73.37, 165.55 68.57 09/10/2025 00:21:00 73.29, 168.09 68.38 81.81 67
2 09/10/2025 01:10:35 -73.25, -26.88 111.55 09/10/2025 01:11:44 -73.18, -24.81 111.71 66.98 69
3 09/10/2025 02:01:17 73.07, 140.82 68.27 09/10/2025 02:02:27 73.01, 142.16 68.15 43.89 70
4 09/10/2025 02:51:59 -72.96, -51.62 111.84 09/10/2025 02:53:11 -72.91, -50.74 111.94 29.26 72
5 09/10/2025 03:42:41 72.77, 116.08 67.98 09/10/2025 03:43:54 72.74, 116.24 67.92 6.71 73
6 09/10/2025 04:33:24 -72.71, -76.48 112.08 09/10/2025 04:34:36 -72.74, -76.44 112.07 2.99 72
7 09/10/2025 05:24:10 72.73, 90.79 67.96 09/10/2025 05:25:16 72.72, 90.86 67.93 2.57 66
8 09/10/2025 06:14:54 -72.72,-101.87 112.05 09/10/2025 06:15:58 -72.72,-101.82 112.06 1.58 64
9 09/10/2025 07:05:39 72.69, 65.51 67.94 09/10/2025 07:06:38 72.70, 65.48 67.94 1.71 59
10 09/10/2025 07:56:23 -72.68,-127.15 112.07 09/10/2025 07:57:20 -72.70,-127.20 112.06 2.80 57
11 09/10/2025 08:47:09 72.69, 40.12 67.97 09/10/2025 08:48:00 72.68, 40.10 67.95 1.83 51
12 09/10/2025 09:37:53 -72.68,-152.54 112.03 09/10/2025 09:38:42 -72.68,-152.58 112.05 1.67 49
13 09/10/2025 10:28:39 72.70, 14.73 68.00 09/10/2025 10:29:21 72.71, 14.82 68.00 3.05 42
14 09/10/2025 11:19:23 -72.69,-177.93 112.00 09/10/2025 11:20:03 -72.71,-177.86 111.99 2.84 40
15 09/10/2025 12:10:08 72.66, -10.55 67.98 09/10/2025 12:10:43 72.69, -10.56 68.01 3.59 35
16 09/10/2025 13:00:53 -72.70, 156.68 111.97 09/10/2025 13:01:25 -72.69, 156.76 111.99 2.71 32
17 09/10/2025 13:51:38 72.66, -35.94 68.02 09/10/2025 13:52:05 72.67, -35.94 68.02 0.54 27
18 09/10/2025 14:42:22 -72.65, 131.40 111.99 09/10/2025 14:42:47 -72.66, 131.37 111.98 1.57 25
19 09/10/2025 15:33:08 72.67, -61.33 68.05 09/10/2025 15:33:27 72.65, -61.32 68.02 2.53 19
20 09/10/2025 16:23:52 -72.66, 106.01 111.95 09/10/2025 16:24:09 -72.64, 105.99 111.97 1.79 17
21 09/10/2025 17:14:37 72.63, -86.61 68.03 09/10/2025 17:14:49 72.63, -86.71 68.03 3.15 12
22 09/10/2025 18:05:22 -72.67, 80.62 111.92 09/10/2025 18:05:30 -72.67, 80.72 111.92 3.21 8
23 09/10/2025 18:56:07 72.63,-112.00 68.06 09/10/2025 18:56:10 72.66,-111.98 68.09 2.74 3
24 09/10/2025 19:46:51 -72.62, 55.34 111.94 09/10/2025 19:46:52 -72.65, 55.33 111.91 3.50 1
25 09/10/2025 20:37:37 72.64,-137.39 68.10 09/10/2025 20:37:32 72.64,-137.37 68.09 0.83 5
26 09/10/2025 21:28:21 -72.63, 29.95 111.91 09/10/2025 21:28:14 -72.63, 29.95 111.90 0.45 7
27 09/10/2025 22:19:06 72.60,-162.67 68.08 09/10/2025 22:18:54 72.62,-162.75 68.10 3.34 12
28 09/10/2025 23:09:51 -72.64, 4.56 111.87 09/10/2025 23:09:36 -72.61, 4.57 111.89 2.62 15
29 09/11/2025 00:00:36 72.60, 171.94 68.11 09/11/2025 00:00:16 72.60, 171.87 68.11 2.41 20
30 09/11/2025 00:51:20 -72.59, -20.72 111.89 09/11/2025 00:50:58 -72.59, -20.81 111.89 2.89 22
31 09/11/2025 01:42:05 72.61, 146.55 68.14 09/11/2025 01:41:36 72.63, 146.59 68.16 2.28 29
32 09/11/2025 02:32:49 -72.60, -46.11 111.86 09/11/2025 02:32:18 -72.62, -46.09 111.83 2.69 31
33 09/11/2025 03:23:35 72.62, 121.16 68.18 09/11/2025 03:22:58 72.61, 121.21 68.17 2.07 37
34 09/11/2025 04:14:19 -72.61, -71.50 111.82 09/11/2025 04:13:40 -72.60, -71.47 111.82 1.11 39
35 09/11/2025 05:05:04 72.57, 95.88 68.16 09/11/2025 05:04:20 72.59, 95.83 68.18 2.07 44
36 09/11/2025 05:55:48 -72.56, -96.79 111.84 09/11/2025 05:55:02 -72.58, -96.85 111.82 3.04 46
37 09/11/2025 06:46:34 72.58, 70.49 68.19 09/11/2025 06:45:42 72.56, 70.45 68.19 2.21 52
38 09/11/2025 07:37:18 -72.57,-122.17 111.81 09/11/2025 07:36:24 -72.56,-122.23 111.81 2.19 54
39 09/11/2025 08:28:04 72.59, 45.10 68.23 09/11/2025 08:27:03 72.60, 45.17 68.24 2.46 61
40 09/11/2025 09:18:48 -72.58,-147.56 111.78 09/11/2025 09:17:45 -72.59,-147.51 111.75 2.35 63
41 09/11/2025 10:09:34 72.59, 19.71 68.26 09/11/2025 10:08:25 72.57, 19.79 68.25 3.36 69
42 09/11/2025 11:00:18 -72.58,-172.95 111.74 09/11/2025 10:59:07 -72.57,-172.89 111.75 2.40 71
43 09/11/2025 11:51:02 72.50, -5.47 68.19 09/11/2025 11:49:48 72.50, -5.70 68.21 7.56 74
44 09/11/2025 12:41:45 -72.44, 161.97 111.87 09/11/2025 12:40:31 -72.45, 161.52 111.83 15.02 74
45 09/11/2025 13:32:26 72.20, -30.25 67.89 09/11/2025 13:31:15 72.23, -31.58 67.98 45.25 71
46 09/11/2025 14:23:09 -72.14, 137.18 112.16 09/11/2025 14:21:59 -72.12, 135.54 112.10 55.90 70
47 09/11/2025 15:13:50 71.90, -55.05 67.60 09/11/2025 15:12:43 71.90, -57.55 67.71 86.22 67
48 09/11/2025 16:04:33 -71.84, 112.37 112.46 09/11/2025 16:03:26 -71.84, 109.68 112.33 93.35 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_NOAA-21_METOP-C_20250829.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 08/29/2025 in txt file.

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