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: 9/7/2025
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, 165.59 68.54 09/10/2025 00:20:59 73.30, 168.11 68.39 80.68 67
2 09/10/2025 01:10:34 -73.24, -26.86 111.56 09/10/2025 01:11:43 -73.18, -24.81 111.71 66.06 69
3 09/10/2025 02:01:16 73.05, 140.87 68.25 09/10/2025 02:02:27 72.97, 142.07 68.11 40.05 71
4 09/10/2025 02:51:58 -72.95, -51.59 111.85 09/10/2025 02:53:10 -72.91, -50.74 111.94 28.26 72
5 09/10/2025 03:42:40 72.75, 116.12 67.96 09/10/2025 03:43:53 72.75, 116.26 67.93 4.68 73
6 09/10/2025 04:33:23 -72.70, -76.45 112.09 09/10/2025 04:34:36 -72.69, -76.54 112.12 3.35 73
7 09/10/2025 05:24:09 72.71, 90.84 67.93 09/10/2025 05:25:15 72.73, 90.88 67.94 2.57 66
8 09/10/2025 06:14:53 -72.71,-101.84 112.06 09/10/2025 06:15:57 -72.72,-101.82 112.06 1.19 64
9 09/10/2025 07:05:39 72.72, 65.45 67.97 09/10/2025 07:06:37 72.71, 65.50 67.95 1.84 58
10 09/10/2025 07:56:23 -72.72,-127.23 112.03 09/10/2025 07:57:19 -72.70,-127.20 112.05 2.34 56
11 09/10/2025 08:47:08 72.67, 40.16 67.95 09/10/2025 08:47:59 72.69, 40.11 67.96 2.34 51
12 09/10/2025 09:37:52 -72.67,-152.52 112.05 09/10/2025 09:38:41 -72.68,-152.59 112.05 2.33 49
13 09/10/2025 10:28:38 72.68, 14.78 67.98 09/10/2025 10:29:21 72.67, 14.73 67.96 2.06 43
14 09/10/2025 11:19:22 -72.68,-177.90 112.01 09/10/2025 11:20:02 -72.71,-177.86 111.99 3.27 40
15 09/10/2025 12:10:08 72.69, -10.61 68.02 09/10/2025 12:10:42 72.70, -10.55 68.02 2.47 34
16 09/10/2025 13:00:52 -72.69, 156.71 111.98 09/10/2025 13:01:24 -72.68, 156.75 111.99 1.57 32
17 09/10/2025 13:51:38 72.69, -36.00 68.05 09/10/2025 13:52:04 72.68, -35.93 68.02 3.10 26
18 09/10/2025 14:42:21 -72.64, 131.42 112.00 09/10/2025 14:42:46 -72.66, 131.37 111.98 2.96 25
19 09/10/2025 15:33:07 72.65, -61.29 68.03 09/10/2025 15:33:26 72.66, -61.31 68.03 1.04 19
20 09/10/2025 16:23:51 -72.65, 106.03 111.96 09/10/2025 16:24:08 -72.64, 105.99 111.97 1.59 17
21 09/10/2025 17:14:37 72.66, -86.67 68.06 09/10/2025 17:14:48 72.63, -86.69 68.04 2.58 11
22 09/10/2025 18:05:21 -72.66, 80.65 111.93 09/10/2025 18:05:29 -72.67, 80.71 111.92 2.91 8
23 09/10/2025 18:56:07 72.66,-112.06 68.10 09/10/2025 18:56:09 72.67,-111.97 68.09 3.01 2
24 09/10/2025 19:46:51 -72.66, 55.26 111.90 09/10/2025 19:46:51 -72.65, 55.33 111.91 2.67 0
25 09/10/2025 20:37:36 72.62,-137.35 68.08 09/10/2025 20:37:31 72.64,-137.35 68.10 2.65 5
26 09/10/2025 21:28:20 -72.62, 29.97 111.92 09/10/2025 21:28:13 -72.63, 29.95 111.90 1.61 7
27 09/10/2025 22:19:06 72.63,-162.74 68.11 09/10/2025 22:18:53 72.62,-162.74 68.11 0.46 13
28 09/10/2025 23:09:50 -72.63, 4.58 111.88 09/10/2025 23:09:35 -72.61, 4.56 111.89 1.81 15
29 09/11/2025 00:00:36 72.63, 171.88 68.14 09/11/2025 00:00:15 72.60, 171.88 68.12 3.56 21
30 09/11/2025 00:51:20 -72.63, -20.81 111.85 09/11/2025 00:50:56 -72.64, -20.71 111.84 3.15 24
31 09/11/2025 01:42:05 72.59, 146.59 68.12 09/11/2025 01:41:37 72.58, 146.50 68.12 3.22 28
32 09/11/2025 02:32:49 -72.59, -46.09 111.87 09/11/2025 02:32:18 -72.62, -46.10 111.83 3.40 31
33 09/11/2025 03:23:35 72.60, 121.20 68.16 09/11/2025 03:22:58 72.61, 121.22 68.18 1.67 37
34 09/11/2025 04:14:19 -72.60, -71.48 111.84 09/11/2025 04:13:40 -72.60, -71.48 111.83 0.30 39
35 09/11/2025 05:05:05 72.60, 95.81 68.19 09/11/2025 05:04:20 72.59, 95.84 68.18 1.74 45
36 09/11/2025 05:55:49 -72.60, -96.87 111.80 09/11/2025 05:55:02 -72.58, -96.86 111.82 2.81 47
37 09/11/2025 06:46:34 72.56, 70.53 68.17 09/11/2025 06:45:42 72.57, 70.46 68.19 2.63 52
38 09/11/2025 07:37:18 -72.56,-122.15 111.82 09/11/2025 07:36:24 -72.56,-122.24 111.81 2.98 54
39 09/11/2025 08:28:04 72.57, 45.14 68.21 09/11/2025 08:27:04 72.55, 45.07 68.20 3.05 60
40 09/11/2025 09:18:48 -72.57,-147.54 111.79 09/11/2025 09:17:45 -72.59,-147.52 111.76 2.39 63
41 09/11/2025 10:09:34 72.57, 19.75 68.24 09/11/2025 10:08:25 72.58, 19.80 68.25 1.51 69
42 09/11/2025 11:00:18 -72.57,-172.93 111.75 09/11/2025 10:59:07 -72.57,-172.90 111.75 1.21 71
43 09/11/2025 11:51:02 72.48, -5.43 68.16 09/11/2025 11:49:48 72.51, -5.69 68.21 9.17 74
44 09/11/2025 12:41:45 -72.43, 161.99 111.88 09/11/2025 12:40:31 -72.44, 161.51 111.84 16.10 74
45 09/11/2025 13:32:26 72.18, -30.21 67.87 09/11/2025 13:31:16 72.18, -31.68 67.94 49.73 70
46 09/11/2025 14:23:09 -72.13, 137.20 112.17 09/11/2025 14:21:59 -72.12, 135.53 112.11 56.94 70
47 09/11/2025 15:13:50 71.88, -55.02 67.58 09/11/2025 15:12:43 71.90, -57.54 67.71 87.41 67
48 09/11/2025 16:04:33 -71.83, 112.39 112.47 09/11/2025 16:03:26 -71.84, 109.67 112.33 94.42 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_NOAA-21_METOP-C_20250907.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/07/2025 in txt file.

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