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: 7/10/2025
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 07/20/2025 05:49:51 -73.47, -97.16 126.86 07/20/2025 05:50:57 -73.39, -94.22 127.12 93.73 66
2 07/20/2025 06:40:32 73.24, 70.66 52.89 07/20/2025 06:41:40 73.19, 72.69 52.72 65.19 68
3 07/20/2025 07:31:14 -73.12,-121.77 127.23 07/20/2025 07:32:24 -73.11,-120.16 127.35 51.79 70
4 07/20/2025 08:21:56 72.94, 45.93 52.58 07/20/2025 08:23:08 72.87, 46.65 52.45 24.58 72
5 07/20/2025 09:12:39 -72.87,-146.61 127.49 07/20/2025 09:13:52 -72.79,-146.19 127.62 16.58 73
6 07/20/2025 10:03:22 72.74, 20.98 52.37 07/20/2025 10:04:32 72.74, 21.05 52.35 2.42 70
7 07/20/2025 10:54:06 -72.73,-171.68 127.64 07/20/2025 10:55:15 -72.72,-171.68 127.67 1.02 69
8 07/20/2025 11:44:52 72.74, -4.41 52.39 07/20/2025 11:45:54 72.72, -4.34 52.35 3.36 62
9 07/20/2025 12:35:36 -72.73, 162.94 127.63 07/20/2025 12:36:36 -72.74, 163.04 127.63 3.61 60
10 07/20/2025 13:26:21 72.70, -29.68 52.35 07/20/2025 13:27:16 72.70, -29.72 52.34 1.29 55
11 07/20/2025 14:17:06 -72.73, 137.56 127.61 07/20/2025 14:17:58 -72.72, 137.65 127.64 3.28 52
12 07/20/2025 15:07:51 72.70, -55.07 52.37 07/20/2025 15:08:38 72.68, -55.11 52.33 3.00 47
13 07/20/2025 15:58:35 -72.69, 112.28 127.65 07/20/2025 15:59:20 -72.70, 112.26 127.64 1.65 45
14 07/20/2025 16:49:21 72.71, -80.45 52.39 07/20/2025 16:49:59 72.71, -80.39 52.37 2.03 38
15 07/20/2025 17:40:05 -72.69, 86.90 127.63 07/20/2025 17:40:42 -72.68, 86.88 127.65 1.41 37
16 07/20/2025 18:30:50 72.66,-105.73 52.35 07/20/2025 18:31:21 72.68,-105.77 52.37 3.15 31
17 07/20/2025 19:21:35 -72.69, 61.51 127.61 07/20/2025 19:22:03 -72.71, 61.60 127.61 3.17 28
18 07/20/2025 20:12:20 72.66,-131.11 52.37 07/20/2025 20:12:43 72.66,-131.16 52.36 1.61 23
19 07/20/2025 21:03:05 -72.70, 36.13 127.59 07/20/2025 21:03:25 -72.69, 36.21 127.62 3.10 20
20 07/20/2025 21:53:50 72.67,-156.49 52.38 07/20/2025 21:54:04 72.69,-156.44 52.40 3.10 14
21 07/20/2025 22:44:34 -72.65, 10.85 127.63 07/20/2025 22:44:47 -72.66, 10.83 127.62 1.50 13
22 07/20/2025 23:35:20 72.67, 178.12 52.40 07/20/2025 23:35:26 72.67, 178.17 52.39 1.74 6
23 07/21/2025 00:26:04 -72.66, -14.53 127.61 07/21/2025 00:26:09 -72.64, -14.56 127.63 1.84 5
24 07/21/2025 01:16:49 72.62, 152.84 52.36 07/21/2025 01:16:48 72.64, 152.79 52.39 2.96 1
25 07/21/2025 02:07:34 -72.66, -39.91 127.59 07/21/2025 02:07:30 -72.67, -39.84 127.59 2.74 4
26 07/21/2025 02:58:19 72.63, 127.46 52.38 07/21/2025 02:58:10 72.62, 127.40 52.38 2.02 9
27 07/21/2025 03:49:04 -72.66, -65.30 127.58 07/21/2025 03:48:52 -72.65, -65.22 127.59 3.00 12
28 07/21/2025 04:39:49 72.63, 102.08 52.40 07/21/2025 04:39:31 72.65, 102.12 52.42 2.55 18
29 07/21/2025 05:30:33 -72.62, -90.57 127.61 07/21/2025 05:30:14 -72.63, -90.61 127.60 1.45 19
30 07/21/2025 06:21:19 72.64, 76.70 52.42 07/21/2025 06:20:53 72.63, 76.74 52.41 1.62 26
31 07/21/2025 07:12:03 -72.62,-115.96 127.60 07/21/2025 07:11:36 -72.60,-115.99 127.60 2.27 27
32 07/21/2025 08:02:48 72.59, 51.42 52.38 07/21/2025 08:02:15 72.61, 51.35 52.41 2.85 33
33 07/21/2025 08:53:33 -72.62,-141.34 127.58 07/21/2025 08:52:57 -72.63,-141.27 127.57 2.33 36
34 07/21/2025 09:44:18 72.59, 26.03 52.40 07/21/2025 09:43:37 72.58, 25.97 52.40 2.48 41
35 07/21/2025 10:35:03 -72.63,-166.72 127.56 07/21/2025 10:34:19 -72.61,-166.66 127.57 2.98 44
36 07/21/2025 11:25:48 72.60, 0.65 52.42 07/21/2025 11:24:58 72.61, 0.69 52.44 2.00 50
37 07/21/2025 12:16:32 -72.58, 168.00 127.60 07/21/2025 12:15:41 -72.59, 167.96 127.58 1.53 51
38 07/21/2025 13:07:18 72.60, -24.73 52.44 07/21/2025 13:06:20 72.59, -24.70 52.44 1.70 58
39 07/21/2025 13:58:02 -72.59, 142.62 127.58 07/21/2025 13:57:03 -72.56, 142.57 127.58 2.71 59
40 07/21/2025 14:48:47 72.56, -50.01 52.40 07/21/2025 14:47:42 72.57, -50.08 52.43 2.82 65
41 07/21/2025 15:39:32 -72.59, 117.23 127.56 07/21/2025 15:38:24 -72.59, 117.29 127.54 1.95 68
42 07/21/2025 16:30:17 72.56, -75.39 52.42 07/21/2025 16:29:04 72.55, -75.47 52.43 2.95 73
43 07/21/2025 17:21:01 -72.54, 91.95 127.60 07/21/2025 17:19:46 -72.57, 91.91 127.55 3.57 75
44 07/21/2025 18:11:42 72.31,-100.27 52.16 07/21/2025 18:10:30 72.32,-101.26 52.24 33.59 72
45 07/21/2025 19:02:25 -72.24, 67.18 127.91 07/21/2025 19:01:14 -72.24, 65.92 127.82 42.81 71
46 07/21/2025 19:53:06 72.00,-125.06 51.84 07/21/2025 19:51:58 71.99,-127.24 51.97 75.01 68
47 07/21/2025 20:43:49 -71.94, 42.38 128.23 07/21/2025 20:42:41 -71.96, 40.04 128.04 80.65 68

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_NOAA-21_METOP-C_20250710.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 07/10/2025 in txt file.

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