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 73.32, 165.64 68.52 09/10/2025 00:21:00 73.27, 168.05 68.36 77.30 68
2 09/10/2025 01:10:35 -73.27, -26.92 111.53 09/10/2025 01:11:43 -73.20, -24.77 111.69 69.61 68
3 09/10/2025 02:01:16 73.03, 140.92 68.22 09/10/2025 02:02:27 73.00, 142.12 68.14 39.31 71
4 09/10/2025 02:51:59 -72.98, -51.66 111.82 09/10/2025 02:53:11 -72.88, -50.80 111.96 29.92 72
5 09/10/2025 03:42:41 72.78, 116.06 67.99 09/10/2025 03:43:54 72.72, 116.21 67.91 7.97 73
6 09/10/2025 04:33:24 -72.73, -76.52 112.06 09/10/2025 04:34:36 -72.71, -76.50 112.10 2.47 72
7 09/10/2025 05:24:09 72.69, 90.88 67.91 09/10/2025 05:25:16 72.70, 90.82 67.92 2.70 67
8 09/10/2025 06:14:53 -72.69,-101.80 112.08 09/10/2025 06:15:58 -72.69,-101.88 112.09 2.67 65
9 09/10/2025 07:05:39 72.69, 65.50 67.94 09/10/2025 07:06:38 72.68, 65.44 67.92 2.21 59
10 09/10/2025 07:56:23 -72.69,-127.19 112.05 09/10/2025 07:57:19 -72.72,-127.16 112.03 2.92 56
11 09/10/2025 08:47:09 72.70, 40.11 67.98 09/10/2025 08:47:59 72.71, 40.16 67.98 2.28 50
12 09/10/2025 09:37:53 -72.70,-152.58 112.01 09/10/2025 09:38:41 -72.70,-152.54 112.03 1.25 48
13 09/10/2025 10:28:39 72.71, 14.72 68.01 09/10/2025 10:29:21 72.69, 14.78 67.99 2.71 42
14 09/10/2025 11:19:22 -72.66,-177.86 112.03 09/10/2025 11:20:03 -72.68,-177.92 112.02 3.02 41
15 09/10/2025 12:10:08 72.66, -10.56 67.99 09/10/2025 12:10:43 72.67, -10.60 67.99 1.44 35
16 09/10/2025 13:00:52 -72.66, 156.75 112.00 09/10/2025 13:01:25 -72.66, 156.70 112.01 1.99 33
17 09/10/2025 13:51:38 72.67, -35.95 68.02 09/10/2025 13:52:05 72.65, -35.98 68.00 2.46 27
18 09/10/2025 14:42:22 -72.67, 131.36 111.97 09/10/2025 14:42:46 -72.69, 131.42 111.96 2.55 24
19 09/10/2025 15:33:08 72.68, -61.34 68.06 09/10/2025 15:33:26 72.68, -61.26 68.06 2.71 18
20 09/10/2025 16:23:52 -72.68, 105.97 111.93 09/10/2025 16:24:08 -72.67, 106.04 111.95 2.45 16
21 09/10/2025 17:14:37 72.63, -86.63 68.04 09/10/2025 17:14:48 72.66, -86.64 68.06 2.96 11
22 09/10/2025 18:05:21 -72.63, 80.69 111.95 09/10/2025 18:05:30 -72.65, 80.65 111.94 1.70 9
23 09/10/2025 18:56:07 72.64,-112.01 68.07 09/10/2025 18:56:10 72.64,-112.03 68.07 0.39 3
24 09/10/2025 19:46:51 -72.64, 55.30 111.92 09/10/2025 19:46:52 -72.63, 55.27 111.93 2.05 1
25 09/10/2025 20:37:37 72.65,-137.40 68.11 09/10/2025 20:37:32 72.62,-137.41 68.08 3.26 5
26 09/10/2025 21:28:21 -72.65, 29.91 111.89 09/10/2025 21:28:13 -72.66, 29.99 111.88 2.82 8
27 09/10/2025 22:19:05 72.60,-162.69 68.09 09/10/2025 22:18:53 72.60,-162.79 68.08 3.44 12
28 09/10/2025 23:09:49 -72.61, 4.63 111.91 09/10/2025 23:09:34 -72.63, 4.61 111.87 3.35 15
29 09/11/2025 00:00:35 72.61, 171.92 68.12 09/11/2025 00:00:14 72.63, 171.93 68.14 1.92 21
30 09/11/2025 00:51:19 -72.61, -20.76 111.87 09/11/2025 00:50:56 -72.61, -20.77 111.87 0.37 23
31 09/11/2025 01:42:05 72.62, 146.53 68.15 09/11/2025 01:41:36 72.61, 146.55 68.15 1.29 29
32 09/11/2025 02:32:49 -72.62, -46.15 111.84 09/11/2025 02:32:18 -72.59, -46.15 111.86 2.84 31
33 09/11/2025 03:23:34 72.57, 121.25 68.13 09/11/2025 03:22:58 72.59, 121.17 68.15 3.06 36
34 09/11/2025 04:14:18 -72.58, -71.44 111.86 09/11/2025 04:13:40 -72.57, -71.53 111.85 3.28 38
35 09/11/2025 05:05:04 72.58, 95.86 68.17 09/11/2025 05:04:20 72.57, 95.79 68.16 3.03 44
36 09/11/2025 05:55:48 -72.58, -96.82 111.82 09/11/2025 05:55:01 -72.60, -96.81 111.80 2.32 47
37 09/11/2025 06:46:34 72.59, 70.47 68.20 09/11/2025 06:45:41 72.60, 70.51 68.22 1.45 53
38 09/11/2025 07:37:18 -72.59,-122.21 111.79 09/11/2025 07:36:23 -72.58,-122.19 111.79 1.00 55
39 09/11/2025 08:28:04 72.60, 45.08 68.23 09/11/2025 08:27:03 72.58, 45.13 68.22 2.61 61
40 09/11/2025 09:18:47 -72.55,-147.50 111.81 09/11/2025 09:17:45 -72.56,-147.58 111.78 3.14 62
41 09/11/2025 10:09:33 72.55, 19.80 68.21 09/11/2025 10:08:25 72.55, 19.74 68.23 1.88 68
42 09/11/2025 11:00:17 -72.55,-172.89 111.78 09/11/2025 10:59:07 -72.54,-172.96 111.77 2.71 70
43 09/11/2025 11:51:02 72.51, -5.49 68.19 09/11/2025 11:49:48 72.48, -5.74 68.19 8.94 74
44 09/11/2025 12:41:44 -72.41, 162.03 111.91 09/11/2025 12:40:31 -72.42, 161.46 111.86 19.31 73
45 09/11/2025 13:32:26 72.21, -30.27 67.90 09/11/2025 13:31:15 72.21, -31.63 67.97 46.12 71
46 09/11/2025 14:23:08 -72.11, 137.24 112.20 09/11/2025 14:21:58 -72.14, 135.58 112.08 56.87 70
47 09/11/2025 15:13:50 71.91, -55.07 67.61 09/11/2025 15:12:43 71.88, -57.59 67.69 87.26 67
48 09/11/2025 16:04:32 -71.81, 112.43 112.49 09/11/2025 16:03:26 -71.81, 109.62 112.36 97.67 66

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_NOAA-21_METOP-C_20250909.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