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: 3/16/2025
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, 71.21 108.29 03/18/2025 18:51:54 -71.06, 69.79 108.17 51.40 71
2 03/18/2025 19:44:00 71.47,-122.25 72.18 03/18/2025 19:42:47 71.48,-122.20 72.20 2.13 73
3 03/18/2025 20:34:43 -71.45, 45.10 107.86 03/18/2025 20:33:43 -71.46, 45.02 107.84 2.85 60
4 03/18/2025 21:25:30 71.48,-147.64 72.16 03/18/2025 21:24:44 71.47,-147.71 72.16 2.87 46
5 03/18/2025 22:16:14 -71.51, 19.62 107.82 03/18/2025 22:15:39 -71.49, 19.61 107.83 2.14 35
6 03/18/2025 23:07:01 71.54,-173.13 72.20 03/18/2025 23:06:39 71.55,-173.03 72.21 3.62 22
7 03/18/2025 23:57:44 -71.52, -5.78 107.84 03/18/2025 23:57:35 -71.53, -5.81 107.83 1.49 9
8 03/19/2025 00:48:31 71.55, 161.48 72.18 03/19/2025 00:48:36 71.54, 161.46 72.17 1.36 5
9 03/19/2025 01:39:15 -71.58, -31.26 107.80 03/19/2025 01:39:31 -71.57, -31.23 107.82 2.27 16
10 03/19/2025 02:30:01 71.56, 136.09 72.16 03/19/2025 02:30:32 71.58, 136.04 72.18 2.66 31
11 03/19/2025 03:20:45 -71.59, -56.65 107.82 03/19/2025 03:21:27 -71.60, -56.64 107.82 1.08 42
12 03/19/2025 04:11:32 71.62, 110.60 72.20 03/19/2025 04:12:28 71.61, 110.63 72.18 1.07 56
13 03/19/2025 05:02:15 -71.66, -82.14 107.78 03/19/2025 05:03:22 -71.64, -82.06 107.81 3.33 67
14 03/19/2025 05:53:07 71.94, 84.64 72.52 03/19/2025 05:54:18 71.91, 85.70 72.42 36.78 71
15 03/19/2025 06:43:59 -72.38,-108.89 107.02 03/19/2025 06:45:05 -72.33,-106.18 107.21 91.71 66

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/16/2025
SNOs_Map_NOAA-20_NOAA-19_20250316.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/16/2025 in txt file.

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