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: 2/21/2025
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 -71.15, 70.91 101.84 03/02/2025 18:52:15 -71.17, 69.57 101.74 48.36 71
2 03/02/2025 19:44:20 71.55,-122.48 78.58 03/02/2025 19:43:05 71.55,-122.48 78.59 0.86 75
3 03/02/2025 20:35:04 -71.58, 44.80 101.42 03/02/2025 20:34:04 -71.57, 44.81 101.41 1.19 60
4 03/02/2025 21:25:50 71.56,-147.87 78.56 03/02/2025 21:25:01 71.59,-147.89 78.60 2.83 49
5 03/02/2025 22:16:34 -71.58, 19.41 101.43 03/02/2025 22:16:00 -71.61, 19.40 101.40 2.47 34
6 03/02/2025 23:07:21 71.62,-173.35 78.60 03/02/2025 23:06:57 71.63,-173.30 78.61 2.06 24
7 03/02/2025 23:58:05 -71.64, -6.07 101.40 03/02/2025 23:57:56 -71.65, -6.01 101.40 2.34 9
8 03/03/2025 00:48:51 71.63, 161.26 78.58 03/03/2025 00:48:54 71.62, 161.20 78.57 2.52 3
9 03/03/2025 01:39:35 -71.65, -31.46 101.41 03/03/2025 01:39:53 -71.64, -31.51 101.43 2.59 18
10 03/03/2025 02:30:21 71.64, 135.87 78.56 03/03/2025 02:30:50 71.66, 135.79 78.58 3.48 29
11 03/03/2025 03:21:05 -71.66, -56.85 101.43 03/03/2025 03:21:49 -71.68, -56.92 101.42 2.96 44
12 03/03/2025 04:11:52 71.70, 110.39 78.60 03/03/2025 04:12:46 71.70, 110.38 78.59 0.08 54
13 03/03/2025 05:02:35 -71.72, -82.33 101.40 03/03/2025 05:03:44 -71.72, -82.33 101.42 0.61 69
14 03/03/2025 05:53:25 71.91, 84.61 78.81 03/03/2025 05:54:38 71.89, 85.27 78.73 22.76 73
15 03/03/2025 06:44:20 -72.50,-109.20 100.58 03/03/2025 06:45:26 -72.46,-106.33 100.77 96.15 66

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/21/2025
SNOs_Map_NOAA-20_NOAA-19_20250221.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/21/2025 in txt file.

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