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: 3/28/2025
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 04/03/2025 18:52:31 -70.78, 71.75 114.85 04/03/2025 18:51:22 -70.74, 69.71 114.78 74.94 69
2 04/03/2025 19:43:28 71.34,-121.89 65.74 04/03/2025 19:42:13 71.32,-122.02 65.74 4.91 75
3 04/03/2025 20:34:12 -71.36, 45.39 114.25 04/03/2025 20:33:06 -71.39, 45.37 114.22 2.77 66
4 04/03/2025 21:24:59 71.40,-147.38 65.78 04/03/2025 21:24:08 71.41,-147.35 65.79 1.12 51
5 04/03/2025 22:15:43 -71.43, 19.90 114.21 04/03/2025 22:15:02 -71.42, 19.95 114.21 2.00 41
6 04/03/2025 23:06:29 71.42,-172.78 65.77 04/03/2025 23:06:04 71.44,-172.77 65.80 2.42 25
7 04/03/2025 23:57:13 -71.44, -5.50 114.23 04/03/2025 23:56:58 -71.45, -5.47 114.21 1.69 15
8 04/04/2025 00:48:00 71.48, 161.73 65.81 04/04/2025 00:48:00 71.47, 161.80 65.80 2.71 0
9 04/04/2025 01:38:43 -71.45, -30.89 114.24 04/04/2025 01:38:54 -71.48, -30.90 114.21 3.66 11
10 04/04/2025 02:29:30 71.49, 136.34 65.80 04/04/2025 02:29:56 71.50, 136.38 65.80 1.84 26
11 04/04/2025 03:20:14 -71.52, -56.38 114.20 04/04/2025 03:20:50 -71.52, -56.32 114.20 2.23 36
12 04/04/2025 04:11:00 71.51, 110.94 65.78 04/04/2025 04:11:52 71.54, 110.96 65.80 3.29 52
13 04/04/2025 05:01:44 -71.53, -81.78 114.21 04/04/2025 05:02:46 -71.55, -81.74 114.20 2.68 62
14 04/04/2025 05:52:33 71.68, 85.26 65.94 04/04/2025 05:53:46 71.67, 85.73 65.90 16.22 73
15 04/04/2025 06:43:24 -72.06,-108.13 113.67 04/04/2025 06:44:34 -71.99,-106.39 113.82 60.17 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/28/2025
SNOs_Map_NOAA-20_NOAA-19_20250328.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/28/2025 in txt file.

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