Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/18/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 03/02/2025 18:53:26 -71.17, 70.89 101.83 03/02/2025 18:52:15 -71.12, 69.49 101.78 50.58 71
2 03/02/2025 19:44:19 71.52,-122.41 78.54 03/02/2025 19:43:05 71.50,-122.56 78.55 5.52 74
3 03/02/2025 20:35:04 -71.59, 44.78 101.40 03/02/2025 20:34:03 -71.57, 44.83 101.41 2.39 61
4 03/02/2025 21:25:50 71.58,-147.90 78.58 03/02/2025 21:25:00 71.59,-147.88 78.60 1.83 50
5 03/02/2025 22:16:34 -71.60, 19.39 101.42 03/02/2025 22:15:59 -71.61, 19.42 101.40 2.22 35
6 03/02/2025 23:07:21 71.64,-173.38 78.61 03/02/2025 23:06:56 71.63,-173.28 78.61 3.32 25
7 03/02/2025 23:58:04 -71.60, -6.00 101.44 03/02/2025 23:57:56 -71.60, -6.09 101.44 3.07 8
8 03/03/2025 00:48:51 71.64, 161.23 78.60 03/03/2025 00:48:53 71.62, 161.21 78.57 2.65 2
9 03/03/2025 01:39:35 -71.66, -31.48 101.40 03/03/2025 01:39:52 -71.64, -31.50 101.43 2.50 17
10 03/03/2025 02:30:21 71.65, 135.84 78.58 03/03/2025 02:30:49 71.66, 135.80 78.58 1.78 28
11 03/03/2025 03:21:05 -71.67, -56.87 101.42 03/03/2025 03:21:48 -71.68, -56.91 101.42 1.64 43
12 03/03/2025 04:11:52 71.71, 110.36 78.61 03/03/2025 04:12:45 71.70, 110.39 78.59 1.63 53
13 03/03/2025 05:02:36 -71.73, -82.36 101.38 03/03/2025 05:03:44 -71.72, -82.32 101.41 1.76 68
14 03/03/2025 05:53:26 71.93, 84.59 78.82 03/03/2025 05:54:38 71.89, 85.28 78.74 24.13 72
15 03/03/2025 06:44:20 -72.45,-109.12 100.62 03/03/2025 06:45:27 -72.42,-106.42 100.81 90.68 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/18/2025
SNOs_Map_NOAA-20_NOAA-19_20250218.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19