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: 2/20/2025
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 -71.19, 70.85 101.80 03/02/2025 18:52:14 -71.19, 69.61 101.72 44.53 72
2 03/02/2025 19:44:19 71.54,-122.46 78.56 03/02/2025 19:43:04 71.57,-122.44 78.61 3.02 75
3 03/02/2025 20:35:03 -71.56, 44.82 101.43 03/02/2025 20:34:03 -71.59, 44.85 101.39 3.14 60
4 03/02/2025 21:25:50 71.60,-147.94 78.60 03/02/2025 21:25:00 71.61,-147.85 78.62 3.30 50
5 03/02/2025 22:16:33 -71.57, 19.44 101.45 03/02/2025 22:16:00 -71.58, 19.35 101.43 3.13 33
6 03/02/2025 23:07:20 71.61,-173.33 78.58 03/02/2025 23:06:57 71.60,-173.35 78.58 1.53 23
7 03/02/2025 23:58:04 -71.63, -6.05 101.41 03/02/2025 23:57:56 -71.62, -6.06 101.42 1.53 8
8 03/03/2025 00:48:50 71.62, 161.28 78.57 03/03/2025 00:48:53 71.64, 161.24 78.59 2.74 3
9 03/03/2025 01:39:34 -71.64, -31.44 101.43 03/03/2025 01:39:52 -71.66, -31.47 101.41 2.36 18
10 03/03/2025 02:30:21 71.68, 135.80 78.60 03/03/2025 02:30:49 71.68, 135.83 78.60 1.15 28
11 03/03/2025 03:21:05 -71.70, -56.92 101.39 03/03/2025 03:21:48 -71.70, -56.88 101.41 1.39 43
12 03/03/2025 04:11:51 71.69, 110.41 78.59 03/03/2025 04:12:46 71.67, 110.33 78.56 3.48 55
13 03/03/2025 05:02:35 -71.71, -82.31 101.41 03/03/2025 05:03:44 -71.74, -82.29 101.40 3.35 69
14 03/03/2025 05:53:26 71.95, 84.54 78.85 03/03/2025 05:54:38 71.91, 85.31 78.75 26.90 72
15 03/03/2025 06:44:20 -72.48,-109.17 100.59 03/03/2025 06:45:27 -72.43,-106.39 100.80 93.44 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/20/2025
SNOs_Map_NOAA-20_NOAA-19_20250220.jpg

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

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