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: 4/2/2025
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, 71.75 114.84 04/03/2025 18:51:22 -70.74, 69.72 114.78 74.44 69
2 04/03/2025 19:43:28 71.34,-121.89 65.74 04/03/2025 19:42:13 71.33,-122.00 65.75 4.08 75
3 04/03/2025 20:34:12 -71.36, 45.38 114.25 04/03/2025 20:33:06 -71.39, 45.38 114.21 3.02 66
4 04/03/2025 21:24:59 71.40,-147.38 65.78 04/03/2025 21:24:08 71.42,-147.33 65.80 2.33 51
5 04/03/2025 22:15:43 -71.43, 19.89 114.21 04/03/2025 22:15:02 -71.42, 19.96 114.21 2.40 41
6 04/03/2025 23:06:29 71.41,-172.77 65.77 04/03/2025 23:06:05 71.40,-172.85 65.76 3.21 24
7 04/03/2025 23:57:13 -71.44, -5.50 114.22 04/03/2025 23:56:58 -71.46, -5.46 114.21 2.32 15
8 04/04/2025 00:48:00 71.48, 161.74 65.81 04/04/2025 00:48:00 71.48, 161.82 65.81 2.99 0
9 04/04/2025 01:38:43 -71.45, -30.90 114.24 04/04/2025 01:38:55 -71.44, -30.98 114.25 3.25 12
10 04/04/2025 02:29:30 71.49, 136.34 65.79 04/04/2025 02:29:57 71.46, 136.30 65.76 3.24 27
11 04/04/2025 03:20:14 -71.52, -56.39 114.19 04/04/2025 03:20:50 -71.52, -56.31 114.20 2.87 36
12 04/04/2025 04:11:00 71.50, 110.94 65.78 04/04/2025 04:11:53 71.50, 110.88 65.77 2.34 53
13 04/04/2025 05:01:44 -71.53, -81.79 114.21 04/04/2025 05:02:47 -71.51, -81.83 114.24 3.10 63
14 04/04/2025 05:52:34 71.72, 85.17 65.99 04/04/2025 05:53:46 71.68, 85.75 65.91 20.53 72
15 04/04/2025 06:43:24 -72.06,-108.13 113.67 04/04/2025 06:44:34 -72.00,-106.38 113.82 60.69 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/2/2025
SNOs_Map_NOAA-20_NOAA-19_20250402.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 04/02/2025 in txt file.

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