Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and METOP-B Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/27/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Distance(km) Time Diff (sec)
1 04/08/2025 13:55:27 -74.61, 138.29 112.48 04/08/2025 13:56:33 -74.55, 141.23 112.72 87.04 66
2 04/08/2025 14:46:08 74.38, -53.80 67.26 04/08/2025 14:47:17 74.35, -51.95 67.10 55.43 69
3 04/08/2025 15:36:50 -74.28, 113.78 112.87 04/08/2025 15:38:01 -74.24, 115.10 113.01 40.05 71
4 04/08/2025 16:27:32 74.10, -78.45 66.91 04/08/2025 16:28:45 74.04, -78.07 66.81 13.67 73
5 04/08/2025 17:18:14 -74.00, 89.11 113.22 04/08/2025 17:19:28 -73.98, 89.11 113.26 2.57 74
6 04/08/2025 18:08:59 73.97,-103.50 66.74 04/08/2025 18:10:08 73.97,-103.57 66.73 2.35 69
7 04/08/2025 18:59:43 -73.97, 63.82 113.28 04/08/2025 19:00:50 -73.96, 63.73 113.30 2.88 67
8 04/08/2025 19:50:29 73.98,-128.90 66.72 04/08/2025 19:51:30 73.96,-128.95 66.69 3.09 61
9 04/08/2025 20:41:13 -73.98, 38.42 113.30 04/08/2025 20:42:11 -74.00, 38.47 113.30 2.32 58
10 04/08/2025 21:31:59 74.00,-154.31 66.71 04/08/2025 21:32:51 73.99,-154.21 66.69 2.97 52
11 04/08/2025 22:22:43 -73.99, 13.01 113.31 04/08/2025 22:23:33 -73.98, 13.09 113.34 2.81 50
12 04/08/2025 23:13:28 73.96,-179.59 66.65 04/08/2025 23:14:13 73.97,-179.59 66.65 1.55 45
13 04/09/2025 00:04:12 -73.96, -12.27 113.37 04/09/2025 00:04:55 -73.96, -12.29 113.38 0.82 43
14 04/09/2025 00:54:58 73.97, 155.00 66.63 04/09/2025 00:55:35 73.96, 155.02 66.61 1.97 37
15 04/09/2025 01:45:42 -73.97, -37.68 113.39 04/09/2025 01:46:17 -73.95, -37.68 113.42 2.85 35
16 04/09/2025 02:36:27 73.94, 129.71 66.57 04/09/2025 02:36:57 73.94, 129.64 66.57 2.26 30
17 04/09/2025 03:27:11 -73.94, -62.97 113.45 04/09/2025 03:27:39 -73.93, -63.06 113.46 2.94 28
18 04/09/2025 04:17:57 73.95, 104.31 66.56 04/09/2025 04:18:18 73.97, 104.38 66.57 3.24 21
19 04/09/2025 05:08:41 -73.95, -88.37 113.46 04/09/2025 05:09:00 -73.96, -88.32 113.46 2.10 19
20 04/09/2025 05:59:27 73.96, 78.90 66.54 04/09/2025 05:59:40 73.95, 79.00 66.53 3.08 13
21 04/09/2025 06:50:11 -73.96,-113.78 113.48 04/09/2025 06:50:22 -73.94,-113.70 113.50 3.01 11
22 04/09/2025 07:40:56 73.93, 53.62 66.48 04/09/2025 07:41:02 73.94, 53.61 66.49 1.10 6
23 04/09/2025 08:31:40 -73.93,-139.06 113.54 04/09/2025 08:31:44 -73.93,-139.08 113.54 0.66 4
24 04/09/2025 09:22:25 73.94, 28.21 66.47 04/09/2025 09:22:23 73.92, 28.23 66.45 2.41 2
25 04/09/2025 10:13:09 -73.94,-164.47 113.55 04/09/2025 10:13:05 -73.91,-164.47 113.58 3.21 4
26 04/09/2025 11:03:54 73.90, 2.92 66.40 04/09/2025 11:03:45 73.90, 2.85 66.40 2.24 9
27 04/09/2025 11:54:38 -73.90, 170.24 113.62 04/09/2025 11:54:27 -73.89, 170.15 113.62 3.04 11
28 04/09/2025 12:45:24 73.92, -22.48 66.39 04/09/2025 12:45:06 73.94, -22.41 66.41 2.89 18
29 04/09/2025 13:36:08 -73.92, 144.84 113.63 04/09/2025 13:35:48 -73.93, 144.89 113.62 1.87 20
30 04/09/2025 14:26:54 73.93, -47.89 66.38 04/09/2025 14:26:28 73.92, -47.79 66.36 3.29 26
31 04/09/2025 15:17:38 -73.93, 119.43 113.64 04/09/2025 15:17:10 -73.91, 119.51 113.66 3.29 28
32 04/09/2025 16:08:23 73.90, -73.18 66.31 04/09/2025 16:07:50 73.90, -73.18 66.32 0.58 33
33 04/09/2025 16:59:07 -73.89, 94.15 113.71 04/09/2025 16:58:32 -73.89, 94.13 113.70 0.67 35
34 04/09/2025 17:49:53 73.91, -98.58 66.30 04/09/2025 17:49:12 73.88, -98.56 66.28 2.94 41
35 04/09/2025 18:40:37 -73.91, 68.74 113.72 04/09/2025 18:39:54 -73.87, 68.74 113.74 3.64 43
36 04/09/2025 19:31:22 73.87,-123.87 66.23 04/09/2025 19:30:34 73.87,-123.94 66.24 2.34 48
37 04/09/2025 20:22:06 -73.87, 43.45 113.79 04/09/2025 20:21:16 -73.86, 43.36 113.78 3.20 50
38 04/09/2025 21:12:52 73.89,-149.28 66.22 04/09/2025 21:11:55 73.90,-149.20 66.24 2.57 57
39 04/09/2025 22:03:36 -73.88, 18.05 113.80 04/09/2025 22:02:37 -73.89, 18.10 113.78 1.68 59
40 04/09/2025 22:54:21 73.85,-174.56 66.15 04/09/2025 22:53:17 73.88,-174.59 66.20 3.50 64
41 04/09/2025 23:45:05 -73.85, -7.24 113.87 04/09/2025 23:43:59 -73.87, -7.28 113.82 2.98 66
42 04/10/2025 00:35:51 73.86, 160.03 66.14 04/10/2025 00:34:39 73.86, 160.03 66.16 0.02 72
43 04/10/2025 01:26:35 -73.86, -32.65 113.88 04/10/2025 01:25:21 -73.86, -32.66 113.86 0.95 74
44 04/10/2025 02:17:17 73.68, 135.10 65.91 04/10/2025 02:16:04 73.70, 134.30 66.00 24.99 73

Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 3/27/2025
SNOs_Map_NOAA-20_METOP-B_20250327.jpg

Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 03/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and METOP-B