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: 3/29/2025
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 04/08/2025 07:11:38 73.48, 62.41 66.34 04/08/2025 07:12:44 73.43, 65.19 66.15 88.35 66
2 04/08/2025 08:02:20 -73.35,-129.98 113.83 04/08/2025 08:03:29 -73.30,-127.79 114.00 70.13 69
3 04/08/2025 08:53:02 73.19, 37.68 65.99 04/08/2025 08:54:12 73.10, 39.13 65.82 47.66 70
4 04/08/2025 09:43:44 -73.06,-154.71 114.17 04/08/2025 09:44:56 -73.02,-153.73 114.27 32.27 72
5 04/08/2025 10:34:26 72.90, 12.94 65.65 04/08/2025 10:35:39 72.83, 13.20 65.55 11.82 73
6 04/08/2025 11:25:09 -72.82,-179.57 114.46 04/08/2025 11:26:22 -72.79,-179.54 114.50 2.82 73
7 04/08/2025 12:15:53 72.81, -12.24 65.52 04/08/2025 12:17:00 72.80, -12.19 65.50 1.95 67
8 04/08/2025 13:06:37 -72.78, 155.14 114.53 04/08/2025 13:07:43 -72.77, 155.07 114.55 2.50 66
9 04/08/2025 13:57:22 72.77, -37.53 65.45 04/08/2025 13:58:22 72.78, -37.58 65.45 1.79 60
10 04/08/2025 14:48:07 -72.79, 129.74 114.55 04/08/2025 14:49:04 -72.79, 129.78 114.55 1.52 57
11 04/08/2025 15:38:52 72.78, -62.93 65.43 04/08/2025 15:39:44 72.75, -62.97 65.40 3.30 52
12 04/08/2025 16:29:36 -72.75, 104.45 114.62 04/08/2025 16:30:26 -72.77, 104.39 114.60 3.22 50
13 04/08/2025 17:20:22 72.79, -88.32 65.42 04/08/2025 17:21:05 72.78, -88.26 65.40 2.60 43
14 04/08/2025 18:11:06 -72.76, 79.06 114.63 04/08/2025 18:11:48 -72.75, 79.00 114.65 2.32 42
15 04/08/2025 19:01:51 72.75,-113.62 65.35 04/08/2025 19:02:27 72.75,-113.65 65.35 1.13 36
16 04/08/2025 19:52:36 -72.77, 53.66 114.65 04/08/2025 19:53:09 -72.77, 53.71 114.66 1.79 33
17 04/08/2025 20:43:21 72.76,-139.01 65.33 04/08/2025 20:43:48 72.78,-138.93 65.34 3.35 27
18 04/08/2025 21:34:05 -72.73, 28.37 114.72 04/08/2025 21:34:31 -72.75, 28.32 114.70 2.54 26
19 04/08/2025 22:24:51 72.77,-164.41 65.32 04/08/2025 22:25:10 72.75,-164.32 65.30 3.28 19
20 04/08/2025 23:15:35 -72.74, 2.97 114.73 04/08/2025 23:15:53 -72.72, 2.93 114.75 2.33 18
21 04/09/2025 00:06:20 72.73, 170.30 65.25 04/09/2025 00:06:32 72.73, 170.28 65.25 0.57 12
22 04/09/2025 00:57:05 -72.75, -22.42 114.75 04/09/2025 00:57:14 -72.75, -22.35 114.76 2.25 9
23 04/09/2025 01:47:50 72.74, 144.91 65.23 04/09/2025 01:47:53 72.76, 145.00 65.24 3.46 3
24 04/09/2025 02:38:34 -72.71, -47.71 114.82 04/09/2025 02:38:36 -72.72, -47.75 114.80 1.85 2
25 04/09/2025 03:29:19 72.70, 119.61 65.16 04/09/2025 03:29:15 72.73, 119.61 65.19 3.30 4
26 04/09/2025 04:20:04 -72.72, -73.11 114.83 04/09/2025 04:19:58 -72.70, -73.14 114.85 2.56 6
27 04/09/2025 05:10:49 72.71, 94.22 65.15 04/09/2025 05:10:37 72.71, 94.22 65.15 0.67 12
28 04/09/2025 06:01:34 -72.73, -98.51 114.85 04/09/2025 06:01:19 -72.72, -98.42 114.86 2.81 15
29 04/09/2025 06:52:18 72.67, 68.93 65.08 04/09/2025 06:51:59 72.68, 68.83 65.10 3.51 19
30 04/09/2025 07:43:03 -72.69,-123.80 114.92 04/09/2025 07:42:41 -72.70,-123.81 114.90 1.14 22
31 04/09/2025 08:33:48 72.68, 43.53 65.06 04/09/2025 08:33:20 72.71, 43.54 65.09 2.74 28
32 04/09/2025 09:24:33 -72.70,-149.19 114.93 04/09/2025 09:24:03 -72.67,-149.20 114.95 2.98 30
33 04/09/2025 10:15:18 72.69, 18.14 65.05 04/09/2025 10:14:42 72.68, 18.15 65.05 1.32 36
34 04/09/2025 11:06:03 -72.71,-174.59 114.95 04/09/2025 11:05:24 -72.70,-174.49 114.96 3.45 39
35 04/09/2025 11:56:47 72.65, -7.16 64.98 04/09/2025 11:56:04 72.66, -7.24 65.00 2.88 43
36 04/09/2025 12:47:32 -72.67, 160.12 115.02 04/09/2025 12:46:46 -72.67, 160.12 115.00 0.44 46
37 04/09/2025 13:38:17 72.66, -32.55 64.97 04/09/2025 13:37:25 72.68, -32.53 64.99 2.27 52
38 04/09/2025 14:29:02 -72.68, 134.72 115.03 04/09/2025 14:28:08 -72.65, 134.73 115.05 3.52 54
39 04/09/2025 15:19:47 72.67, -57.95 64.95 04/09/2025 15:18:47 72.66, -57.92 64.95 2.07 60
40 04/09/2025 16:10:31 -72.64, 109.43 115.10 04/09/2025 16:09:30 -72.62, 109.34 115.10 3.66 61
41 04/09/2025 17:01:16 72.63, -83.24 64.88 04/09/2025 17:00:09 72.63, -83.31 64.90 2.34 67
42 04/09/2025 17:52:01 -72.65, 84.04 115.12 04/09/2025 17:50:51 -72.65, 84.05 115.11 0.47 70
43 04/09/2025 18:42:45 72.59,-108.53 64.81 04/09/2025 18:41:31 72.61,-108.70 64.85 5.81 74
44 04/09/2025 19:33:29 -72.56, 58.85 115.24 04/09/2025 19:32:15 -72.52, 58.45 115.24 13.76 74
45 04/09/2025 20:24:09 72.30,-133.32 64.47 04/09/2025 20:22:58 72.33,-134.60 64.57 43.48 71
46 04/09/2025 21:14:53 -72.27, 34.06 115.59 04/09/2025 21:13:42 -72.24, 32.56 115.52 50.80 71
47 04/09/2025 22:05:33 72.00,-158.12 64.12 04/09/2025 22:04:26 71.99,-160.58 64.25 84.60 67
48 04/09/2025 22:56:16 -71.92, 9.35 115.99 04/09/2025 22:55:10 -71.91, 6.59 115.84 95.24 66

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_NOAA-21_METOP-C_20250329.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 03/29/2025 in txt file.

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