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: 3/1/2025
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 -71.14, 70.94 101.86 03/02/2025 18:52:14 -71.16, 69.55 101.75 50.02 71
2 03/02/2025 19:44:19 71.53,-122.44 78.55 03/02/2025 19:43:04 71.55,-122.48 78.59 2.56 75
3 03/02/2025 20:35:03 -71.56, 44.83 101.43 03/02/2025 20:34:03 -71.56, 44.80 101.42 1.13 60
4 03/02/2025 21:25:50 71.59,-147.92 78.59 03/02/2025 21:25:00 71.59,-147.89 78.60 0.93 50
5 03/02/2025 22:16:34 -71.62, 19.34 101.40 03/02/2025 22:15:59 -71.60, 19.38 101.41 2.76 35
6 03/02/2025 23:07:20 71.60,-173.31 78.57 03/02/2025 23:06:56 71.63,-173.30 78.61 3.24 24
7 03/02/2025 23:58:04 -71.63, -6.04 101.41 03/02/2025 23:57:55 -71.64, -6.03 101.40 1.21 9
8 03/03/2025 00:48:51 71.66, 161.21 78.61 03/03/2025 00:48:52 71.67, 161.29 78.61 2.95 1
9 03/03/2025 01:39:35 -71.69, -31.53 101.38 03/03/2025 01:39:51 -71.68, -31.44 101.40 3.39 16
10 03/03/2025 02:30:21 71.67, 135.82 78.59 03/03/2025 02:30:49 71.66, 135.78 78.58 1.71 28
11 03/03/2025 03:21:05 -71.70, -56.92 101.39 03/03/2025 03:21:47 -71.72, -56.85 101.39 3.25 42
12 03/03/2025 04:11:51 71.67, 110.43 78.57 03/03/2025 04:12:45 71.70, 110.37 78.59 3.07 54
13 03/03/2025 05:02:35 -71.70, -82.31 101.41 03/03/2025 05:03:44 -71.70, -82.35 101.43 1.68 69
14 03/03/2025 05:53:26 71.94, 84.56 78.84 03/03/2025 05:54:38 71.89, 85.26 78.73 24.74 72
15 03/03/2025 06:44:20 -72.48,-109.17 100.59 03/03/2025 06:45:26 -72.45,-106.35 100.78 94.31 66

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/1/2025
SNOs_Map_NOAA-20_NOAA-19_20250301.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/01/2025 in txt file.

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