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: 2/23/2025
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 18:53:25 -71.13, 70.96 101.87 03/02/2025 18:52:14 -71.17, 69.58 101.73 49.77 71
2 03/02/2025 19:44:19 71.53,-122.43 78.55 03/02/2025 19:43:05 71.50,-122.56 78.55 5.26 74
3 03/02/2025 20:35:03 -71.55, 44.84 101.44 03/02/2025 20:34:03 -71.57, 44.82 101.41 2.44 60
4 03/02/2025 21:25:50 71.59,-147.91 78.59 03/02/2025 21:25:00 71.59,-147.87 78.60 1.63 50
5 03/02/2025 22:16:34 -71.61, 19.36 101.41 03/02/2025 22:15:59 -71.61, 19.41 101.40 1.84 35
6 03/02/2025 23:07:20 71.59,-173.30 78.57 03/02/2025 23:06:57 71.58,-173.38 78.57 2.92 23
7 03/02/2025 23:58:04 -71.62, -6.03 101.42 03/02/2025 23:57:56 -71.60, -6.09 101.44 3.04 8
8 03/03/2025 00:48:51 71.65, 161.21 78.61 03/03/2025 00:48:53 71.62, 161.21 78.58 3.36 2
9 03/03/2025 01:39:34 -71.63, -31.42 101.44 03/03/2025 01:39:52 -71.64, -31.50 101.43 3.37 18
10 03/03/2025 02:30:21 71.66, 135.82 78.59 03/03/2025 02:30:49 71.67, 135.80 78.59 0.77 28
11 03/03/2025 03:21:05 -71.69, -56.90 101.40 03/03/2025 03:21:48 -71.68, -56.91 101.42 0.84 43
12 03/03/2025 04:11:52 71.72, 110.34 78.63 03/03/2025 04:12:45 71.71, 110.40 78.59 2.69 53
13 03/03/2025 05:02:35 -71.69, -82.29 101.42 03/03/2025 05:03:44 -71.72, -82.32 101.41 3.05 69
14 03/03/2025 05:53:26 71.94, 84.57 78.83 03/03/2025 05:54:38 71.90, 85.28 78.74 24.97 72
15 03/03/2025 06:44:20 -72.47,-109.15 100.61 03/03/2025 06:45:27 -72.42,-106.42 100.81 91.59 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/23/2025
SNOs_Map_NOAA-20_NOAA-19_20250223.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/23/2025 in txt file.

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