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: 9/22/2025
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 10/06/2025 03:55:48 75.03, 107.48 80.40 10/06/2025 03:56:55 74.95, 110.09 80.19 75.60 67
2 10/06/2025 04:46:30 -74.94, -84.96 99.69 10/06/2025 04:47:39 -74.88, -82.78 99.86 63.61 69
3 10/06/2025 05:37:11 74.70, 83.03 80.06 10/06/2025 05:38:23 74.64, 83.91 79.95 26.79 72
4 10/06/2025 06:27:54 -74.66,-109.56 99.97 10/06/2025 06:29:06 -74.62,-108.82 100.06 22.41 72
5 10/06/2025 07:18:37 74.51, 58.16 79.88 10/06/2025 07:19:47 74.53, 58.27 79.87 3.86 70
6 10/06/2025 08:09:20 -74.48,-134.44 100.15 10/06/2025 08:10:30 -74.51,-134.45 100.14 3.24 70
7 10/06/2025 09:00:06 74.47, 32.89 79.86 10/06/2025 09:01:10 74.46, 32.77 79.84 3.79 64
8 10/06/2025 09:50:50 -74.49,-159.83 100.12 10/06/2025 09:51:52 -74.49,-159.83 100.12 0.60 62
9 10/06/2025 10:41:36 74.48, 7.49 79.90 10/06/2025 10:42:31 74.50, 7.51 79.90 1.82 55
10 10/06/2025 11:32:20 -74.50, 174.77 100.08 10/06/2025 11:33:14 -74.48, 174.79 100.11 2.07 54
11 10/06/2025 12:23:06 74.49, -17.90 79.93 10/06/2025 12:23:53 74.48, -17.87 79.91 1.42 47
12 10/06/2025 13:13:49 -74.46, 149.50 100.10 10/06/2025 13:14:36 -74.46, 149.41 100.10 2.99 47
13 10/06/2025 14:04:35 74.45, -43.17 79.91 10/06/2025 14:05:15 74.47, -43.25 79.93 2.94 40
14 10/06/2025 14:55:19 -74.46, 124.11 100.06 10/06/2025 14:55:58 -74.45, 124.03 100.08 3.06 39
15 10/06/2025 15:46:05 74.46, -68.57 79.95 10/06/2025 15:46:37 74.45, -68.63 79.94 1.96 32
16 10/06/2025 16:36:49 -74.47, 98.71 100.03 10/06/2025 16:37:19 -74.48, 98.77 100.03 2.04 30
17 10/06/2025 17:27:35 74.47, -93.96 79.99 10/06/2025 17:27:58 74.48, -93.88 80.00 3.18 23

Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_NOAA-21_METOP-B_20250923.jpg

Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 09/22/2025 in txt file.

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