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: 4/8/2025
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 04/08/2025 07:11:38 73.50, 62.37 66.35 04/08/2025 07:12:44 73.42, 65.17 66.14 88.92 66
2 04/08/2025 08:02:20 -73.37,-130.03 113.80 04/08/2025 08:03:28 -73.33,-127.72 113.97 73.90 68
3 04/08/2025 08:53:01 73.16, 37.76 65.95 04/08/2025 08:54:12 73.10, 39.11 65.82 44.04 71
4 04/08/2025 09:43:44 -73.08,-154.77 114.15 04/08/2025 09:44:56 -73.00,-153.77 114.29 33.61 72
5 04/08/2025 10:34:25 72.86, 13.01 65.61 04/08/2025 10:35:39 72.82, 13.18 65.54 7.28 74
6 04/08/2025 11:25:08 -72.79,-179.52 114.49 04/08/2025 11:26:22 -72.78,-179.58 114.52 2.65 74
7 04/08/2025 12:15:53 72.77, -12.17 65.48 04/08/2025 12:17:01 72.80, -12.21 65.49 2.94 68
8 04/08/2025 13:06:38 -72.80, 155.08 114.51 04/08/2025 13:07:43 -72.80, 155.13 114.52 1.56 65
9 04/08/2025 13:57:23 72.78, -37.57 65.46 04/08/2025 13:58:23 72.77, -37.60 65.44 1.67 60
10 04/08/2025 14:48:07 -72.76, 129.79 114.58 04/08/2025 14:49:05 -72.78, 129.74 114.57 2.59 58
11 04/08/2025 15:38:53 72.79, -62.96 65.45 04/08/2025 15:39:44 72.80, -62.88 65.44 2.56 51
12 04/08/2025 16:29:37 -72.77, 104.40 114.59 04/08/2025 16:30:27 -72.75, 104.35 114.62 2.51 50
13 04/08/2025 17:20:22 72.75, -88.25 65.38 04/08/2025 17:21:06 72.77, -88.28 65.39 2.45 44
14 04/08/2025 18:11:07 -72.78, 79.00 114.61 04/08/2025 18:11:48 -72.78, 79.06 114.62 2.04 41
15 04/08/2025 19:01:52 72.76,-113.65 65.36 04/08/2025 19:02:28 72.75,-113.67 65.34 1.69 36
16 04/08/2025 19:52:36 -72.74, 53.71 114.68 04/08/2025 19:53:10 -72.76, 53.67 114.67 2.05 34
17 04/08/2025 20:43:22 72.77,-139.04 65.35 04/08/2025 20:43:49 72.77,-138.95 65.34 3.00 27
18 04/08/2025 21:34:06 -72.75, 28.32 114.69 04/08/2025 21:34:32 -72.73, 28.28 114.72 2.49 26
19 04/08/2025 22:24:51 72.73,-164.33 65.28 04/08/2025 22:25:11 72.75,-164.34 65.29 2.00 20
20 04/08/2025 23:15:36 -72.76, 2.92 114.71 04/08/2025 23:15:53 -72.76, 3.00 114.72 2.56 17
21 04/09/2025 00:06:21 72.74, 170.27 65.26 04/09/2025 00:06:33 72.73, 170.27 65.24 1.92 12
22 04/09/2025 00:57:05 -72.72, -22.37 114.78 04/09/2025 00:57:15 -72.73, -22.39 114.77 1.51 10
23 04/09/2025 01:47:50 72.70, 144.98 65.19 04/09/2025 01:47:55 72.70, 144.88 65.19 3.44 5
24 04/09/2025 02:38:35 -72.73, -47.76 114.79 04/09/2025 02:38:37 -72.71, -47.78 114.82 2.63 2
25 04/09/2025 03:29:20 72.71, 119.59 65.18 04/09/2025 03:29:16 72.73, 119.59 65.19 1.62 4
26 04/09/2025 04:20:05 -72.74, -73.16 114.81 04/09/2025 04:19:58 -72.73, -73.07 114.82 3.12 7
27 04/09/2025 05:10:50 72.72, 94.19 65.16 04/09/2025 05:10:38 72.70, 94.20 65.14 2.32 12
28 04/09/2025 06:01:34 -72.70, -98.45 114.88 04/09/2025 06:01:20 -72.71, -98.46 114.87 1.01 14
29 04/09/2025 06:52:19 72.68, 68.90 65.09 04/09/2025 06:52:00 72.68, 68.81 65.10 2.97 19
30 04/09/2025 07:43:04 -72.71,-123.84 114.89 04/09/2025 07:42:42 -72.69,-123.85 114.92 2.90 22
31 04/09/2025 08:33:49 72.69, 43.50 65.08 04/09/2025 08:33:21 72.70, 43.53 65.09 1.42 28
32 04/09/2025 09:24:33 -72.67,-149.14 114.97 04/09/2025 09:24:04 -72.66,-149.24 114.96 3.56 29
33 04/09/2025 10:15:19 72.70, 18.11 65.06 04/09/2025 10:14:43 72.68, 18.14 65.04 2.82 36
34 04/09/2025 11:06:03 -72.68,-174.53 114.98 04/09/2025 11:05:25 -72.69,-174.52 114.97 0.67 38
35 04/09/2025 11:56:48 72.66, -7.18 64.99 04/09/2025 11:56:05 72.65, -7.25 65.00 2.57 43
36 04/09/2025 12:47:33 -72.69, 160.07 115.00 04/09/2025 12:46:47 -72.66, 160.09 115.02 3.28 46
37 04/09/2025 13:38:18 72.67, -32.58 64.98 04/09/2025 13:37:26 72.68, -32.54 64.99 1.48 52
38 04/09/2025 14:29:02 -72.65, 134.78 115.07 04/09/2025 14:28:09 -72.64, 134.70 115.06 3.22 53
39 04/09/2025 15:19:47 72.63, -57.87 64.91 04/09/2025 15:18:48 72.66, -57.93 64.94 3.29 59
40 04/09/2025 16:10:32 -72.66, 109.39 115.08 04/09/2025 16:09:30 -72.66, 109.41 115.07 0.80 62
41 04/09/2025 17:01:17 72.64, -83.26 64.89 04/09/2025 17:00:10 72.63, -83.32 64.90 2.30 67
42 04/09/2025 17:52:01 -72.62, 84.10 115.15 04/09/2025 17:50:52 -72.64, 84.02 115.12 3.20 69
43 04/09/2025 18:42:46 72.60,-108.56 64.82 04/09/2025 18:41:32 72.61,-108.71 64.85 5.16 74
44 04/09/2025 19:33:29 -72.53, 58.91 115.28 04/09/2025 19:32:15 -72.56, 58.53 115.21 13.16 74
45 04/09/2025 20:24:10 72.31,-133.34 64.48 04/09/2025 20:22:59 72.33,-134.61 64.57 42.95 71
46 04/09/2025 21:14:53 -72.24, 34.12 115.62 04/09/2025 21:13:43 -72.23, 32.54 115.53 53.67 70
47 04/09/2025 22:05:33 72.01,-158.14 64.13 04/09/2025 22:04:26 71.99,-160.59 64.25 84.14 67
48 04/09/2025 22:56:16 -71.94, 9.31 115.96 04/09/2025 22:55:09 -71.95, 6.66 115.80 91.30 67

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 4/8/2025
SNOs_Map_NOAA-21_METOP-C_20250408.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 04/08/2025 in txt file.

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