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: 3/14/2025
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 03/18/2025 18:53:05 -71.03, 71.21 108.28 03/18/2025 18:51:54 -71.06, 69.78 108.17 51.46 71
2 03/18/2025 19:44:00 71.47,-122.26 72.18 03/18/2025 19:42:47 71.47,-122.22 72.20 1.45 73
3 03/18/2025 20:34:43 -71.45, 45.10 107.86 03/18/2025 20:33:43 -71.45, 45.01 107.84 2.90 60
4 03/18/2025 21:25:30 71.48,-147.65 72.16 03/18/2025 21:24:43 71.51,-147.63 72.20 3.14 47
5 03/18/2025 22:16:14 -71.51, 19.61 107.82 03/18/2025 22:15:39 -71.49, 19.60 107.84 3.07 35
6 03/18/2025 23:07:01 71.54,-173.13 72.20 03/18/2025 23:06:39 71.55,-173.05 72.21 3.10 22
7 03/18/2025 23:57:44 -71.52, -5.78 107.84 03/18/2025 23:57:35 -71.52, -5.82 107.83 1.37 9
8 03/19/2025 00:48:31 71.55, 161.47 72.19 03/19/2025 00:48:36 71.53, 161.44 72.17 2.60 5
9 03/19/2025 01:39:15 -71.59, -31.27 107.80 03/19/2025 01:39:31 -71.56, -31.24 107.83 3.06 16
10 03/19/2025 02:30:01 71.56, 136.08 72.17 03/19/2025 02:30:32 71.57, 136.03 72.17 1.96 31
11 03/19/2025 03:20:45 -71.60, -56.66 107.82 03/19/2025 03:21:27 -71.60, -56.65 107.82 0.23 42
12 03/19/2025 04:11:32 71.63, 110.59 72.21 03/19/2025 04:12:28 71.61, 110.61 72.18 2.24 56
13 03/19/2025 05:02:15 -71.61, -82.05 107.83 03/19/2025 05:03:23 -71.63, -82.07 107.82 3.06 68
14 03/19/2025 05:53:08 71.95, 84.63 72.53 03/19/2025 05:54:19 71.90, 85.69 72.41 36.82 71
15 03/19/2025 06:43:59 -72.33,-108.80 107.07 03/19/2025 06:45:06 -72.33,-106.19 107.21 88.13 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/14/2025
SNOs_Map_NOAA-20_NOAA-19_20250314.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/14/2025 in txt file.

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