Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/6/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Distance(km) Time Diff (sec)
1 10/07/2025 00:13:32 74.42, 164.65 80.05 10/07/2025 00:14:03 74.40, 164.63 80.02 2.90 31
2 10/07/2025 01:04:15 -74.40, -27.98 99.97 10/07/2025 01:04:46 -74.39, -28.06 99.98 2.88 31
3 10/07/2025 01:55:01 74.38, 139.38 80.03 10/07/2025 01:55:25 74.40, 139.30 80.05 3.09 24
4 10/07/2025 02:45:45 -74.41, -53.38 99.93 10/07/2025 02:46:08 -74.40, -53.39 99.95 1.97 23
5 10/07/2025 03:36:31 74.39, 113.98 80.07 10/07/2025 03:36:47 74.41, 113.97 80.08 1.63 16
6 10/07/2025 04:27:15 -74.42, -78.77 99.89 10/07/2025 04:27:30 -74.40, -78.72 99.92 2.86 15
7 10/07/2025 05:18:01 74.40, 88.59 80.10 10/07/2025 05:18:09 74.41, 88.64 80.11 2.12 8
8 10/07/2025 06:08:44 -74.38,-104.05 99.91 10/07/2025 06:08:52 -74.41,-104.05 99.89 2.54 8
9 10/07/2025 06:59:30 74.36, 63.31 80.09 10/07/2025 06:59:32 74.37, 63.19 80.10 3.81 2
10 10/07/2025 07:50:14 -74.39,-129.44 99.87 10/07/2025 07:50:14 -74.41,-129.38 99.86 2.77 0
11 10/07/2025 08:41:00 74.37, 37.92 80.12 10/07/2025 08:40:54 74.37, 37.86 80.13 1.73 6
12 10/07/2025 09:31:44 -74.40,-154.84 99.84 10/07/2025 09:31:37 -74.37,-154.84 99.87 3.83 7
13 10/07/2025 10:22:30 74.38, 12.52 80.16 10/07/2025 10:22:16 74.38, 12.53 80.16 0.46 14
14 10/07/2025 11:13:13 -74.36, 179.89 99.85 10/07/2025 11:12:59 -74.37, 179.83 99.84 1.97 14
15 10/07/2025 12:04:00 74.39, -12.88 80.20 10/07/2025 12:03:38 74.38, -12.80 80.19 2.50 22
16 10/07/2025 12:54:43 -74.37, 154.49 99.82 10/07/2025 12:54:21 -74.38, 154.50 99.81 0.73 22
17 10/07/2025 13:45:29 74.35, -38.15 80.18 10/07/2025 13:45:01 74.34, -38.26 80.18 3.46 28
18 10/07/2025 14:36:13 -74.38, 129.09 99.78 10/07/2025 14:35:43 -74.38, 129.17 99.78 2.43 30
19 10/07/2025 15:26:59 74.36, -63.55 80.22 10/07/2025 15:26:23 74.34, -63.59 80.21 2.16 36
20 10/07/2025 16:17:42 -74.34, 103.82 99.80 10/07/2025 16:17:06 -74.34, 103.72 99.79 3.11 36
21 10/07/2025 17:08:29 74.37, -88.95 80.25 10/07/2025 17:07:45 74.35, -88.92 80.24 2.48 44
22 10/07/2025 17:59:12 -74.35, 78.42 99.76 10/07/2025 17:58:28 -74.34, 78.39 99.76 1.35 44
23 10/07/2025 18:49:58 74.33,-114.22 80.24 10/07/2025 18:49:07 74.35,-114.25 80.27 2.76 51
24 10/07/2025 19:40:42 -74.36, 53.03 99.72 10/07/2025 19:39:50 -74.35, 53.06 99.73 1.66 52
25 10/07/2025 20:31:28 74.34,-139.61 80.27 10/07/2025 20:30:29 74.36,-139.58 80.30 2.43 59
26 10/07/2025 21:22:12 -74.37, 27.63 99.69 10/07/2025 21:21:12 -74.35, 27.73 99.70 3.52 60
27 10/07/2025 22:12:58 74.35,-165.01 80.31 10/07/2025 22:11:51 74.36,-164.91 80.33 3.60 67
28 10/07/2025 23:03:41 -74.33, 2.36 99.70 10/07/2025 23:02:34 -74.36, 2.40 99.67 3.35 67
29 10/07/2025 23:54:27 74.31, 169.72 80.29 10/07/2025 23:53:14 74.32, 169.64 80.32 2.57 73
30 10/08/2025 00:45:10 -74.34, -23.04 99.67 10/08/2025 00:43:56 -74.31, -23.06 99.68 2.86 74
31 10/08/2025 01:35:51 74.07, 144.94 80.06 10/08/2025 01:34:40 74.08, 143.69 80.13 38.12 71
32 10/08/2025 02:26:34 -74.05, -47.70 99.95 10/08/2025 02:25:23 -74.07, -49.00 99.87 39.94 71
33 10/08/2025 03:17:15 73.78, 120.26 79.78 10/08/2025 03:16:08 73.78, 117.64 79.90 81.50 67
34 10/08/2025 04:07:58 -73.77, -72.37 100.23 10/08/2025 04:06:51 -73.78, -75.05 100.09 83.11 67

Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_NOAA-21_METOP-B_20251007.jpg

Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 10/06/2025 in txt file.

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