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: 3/29/2025
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 18:52:30 -70.75, 71.79 114.87 04/03/2025 18:51:21 -70.76, 69.76 114.76 74.53 69
2 04/03/2025 19:43:27 71.31,-121.85 65.71 04/03/2025 19:42:13 71.30,-122.06 65.72 7.76 74
3 04/03/2025 20:34:12 -71.39, 45.34 114.22 04/03/2025 20:33:06 -71.36, 45.33 114.24 3.17 66
4 04/03/2025 21:24:58 71.38,-147.34 65.76 04/03/2025 21:24:08 71.38,-147.39 65.77 1.96 50
5 04/03/2025 22:15:42 -71.40, 19.94 114.24 04/03/2025 22:15:02 -71.39, 19.91 114.24 1.48 40
6 04/03/2025 23:06:29 71.44,-172.83 65.80 04/03/2025 23:06:04 71.42,-172.82 65.77 3.24 25
7 04/03/2025 23:57:12 -71.42, -5.46 114.25 04/03/2025 23:56:58 -71.43, -5.52 114.23 2.52 14
8 04/04/2025 00:47:59 71.46, 161.78 65.79 04/04/2025 00:48:00 71.45, 161.76 65.78 1.15 1
9 04/04/2025 01:38:43 -71.48, -30.95 114.21 04/04/2025 01:38:54 -71.46, -30.94 114.23 2.17 11
10 04/04/2025 02:29:29 71.47, 136.38 65.77 04/04/2025 02:29:56 71.48, 136.34 65.78 1.94 27
11 04/04/2025 03:20:13 -71.49, -56.34 114.22 04/04/2025 03:20:50 -71.49, -56.36 114.23 0.78 37
12 04/04/2025 04:11:00 71.54, 110.89 65.81 04/04/2025 04:11:52 71.51, 110.91 65.78 2.48 52
13 04/04/2025 05:01:43 -71.51, -81.74 114.24 04/04/2025 05:02:46 -71.53, -81.79 114.22 2.88 63
14 04/04/2025 05:52:33 71.70, 85.21 65.97 04/04/2025 05:53:46 71.65, 85.68 65.88 17.54 73
15 04/04/2025 06:43:24 -72.08,-108.18 113.64 04/04/2025 06:44:33 -72.02,-106.34 113.80 63.76 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_NOAA-20_NOAA-19_20250329.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/29/2025 in txt file.

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