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: 2/22/2025
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 -71.16, 70.90 101.84 03/02/2025 18:52:15 -71.15, 69.54 101.76 49.07 71
2 03/02/2025 19:44:20 71.56,-122.49 78.59 03/02/2025 19:43:05 71.53,-122.51 78.57 3.60 75
3 03/02/2025 20:35:04 -71.58, 44.78 101.41 03/02/2025 20:34:03 -71.60, 44.87 101.38 3.59 61
4 03/02/2025 21:25:50 71.57,-147.88 78.57 03/02/2025 21:25:01 71.57,-147.92 78.58 1.39 49
5 03/02/2025 22:16:34 -71.59, 19.39 101.43 03/02/2025 22:16:00 -71.59, 19.37 101.42 1.04 34
6 03/02/2025 23:07:21 71.63,-173.36 78.61 03/02/2025 23:06:57 71.61,-173.33 78.59 2.37 24
7 03/02/2025 23:58:05 -71.65, -6.09 101.39 03/02/2025 23:57:56 -71.63, -6.04 101.41 3.04 9
8 03/03/2025 00:48:51 71.64, 161.25 78.59 03/03/2025 00:48:53 71.65, 161.26 78.60 1.66 2
9 03/03/2025 01:39:35 -71.66, -31.48 101.41 03/03/2025 01:39:52 -71.67, -31.45 101.40 1.25 17
10 03/03/2025 02:30:22 71.70, 135.76 78.62 03/03/2025 02:30:49 71.69, 135.85 78.61 3.21 27
11 03/03/2025 03:21:05 -71.67, -56.87 101.43 03/03/2025 03:21:49 -71.66, -56.96 101.44 3.47 44
12 03/03/2025 04:11:52 71.70, 110.37 78.61 03/03/2025 04:12:46 71.68, 110.35 78.57 2.75 54
13 03/03/2025 05:02:36 -71.73, -82.35 101.39 03/03/2025 05:03:45 -71.70, -82.37 101.43 3.48 69
14 03/03/2025 05:53:26 71.92, 84.60 78.81 03/03/2025 05:54:39 71.87, 85.24 78.72 22.40 73
15 03/03/2025 06:44:21 -72.50,-109.21 100.57 03/03/2025 06:45:27 -72.44,-106.37 100.79 95.51 66

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/22/2025
SNOs_Map_NOAA-20_NOAA-19_20250222.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 02/22/2025 in txt file.

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