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: 1/2/2025
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 01/13/2025 20:35:01 -71.29, 45.29 87.31 01/13/2025 20:33:52 -71.27, 43.33 87.23 69.96 69
2 01/13/2025 21:25:52 71.58,-147.90 92.99 01/13/2025 21:24:40 71.53,-148.91 93.01 35.80 72
3 01/13/2025 22:16:42 -71.87, 18.89 86.71 01/13/2025 22:15:37 -71.88, 18.98 86.70 3.52 65
4 01/13/2025 23:07:27 71.84,-173.76 93.26 01/13/2025 23:06:31 71.83,-173.82 93.27 2.38 56
5 01/13/2025 23:58:12 -71.87, -6.49 86.72 01/13/2025 23:57:34 -71.87, -6.51 86.71 0.64 38
6 01/14/2025 00:48:58 71.90, 160.77 93.31 01/14/2025 00:48:27 71.88, 160.78 93.30 2.00 31
7 01/14/2025 01:39:43 -71.92, -31.97 86.68 01/14/2025 01:39:30 -71.92, -31.90 86.68 2.42 13
8 01/14/2025 02:30:28 71.90, 135.38 93.30 01/14/2025 02:30:23 71.93, 135.39 93.32 2.84 5
9 01/14/2025 03:21:13 -71.93, -57.35 86.68 01/14/2025 03:21:27 -71.92, -57.40 86.70 2.07 14
10 01/14/2025 04:11:59 71.96, 109.91 93.35 01/14/2025 04:12:19 71.97, 110.00 93.35 3.59 20
11 01/14/2025 05:02:44 -71.98, -82.83 86.64 01/14/2025 05:03:23 -71.96, -82.79 86.67 2.77 39
12 01/14/2025 05:53:29 71.96, 84.52 93.34 01/14/2025 05:54:16 71.97, 84.50 93.34 1.17 47
13 01/14/2025 06:44:14 -71.99,-108.21 86.64 01/14/2025 06:45:19 -72.01,-108.18 86.64 2.57 65
14 01/14/2025 07:35:00 72.02, 59.04 93.39 01/14/2025 07:36:12 72.01, 59.11 93.37 2.16 72
15 01/14/2025 08:25:57 -72.65,-134.90 85.93 01/14/2025 08:27:04 -72.61,-132.44 86.11 81.66 67

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/2/2025
SNOs_Map_NOAA-20_NOAA-19_20250102.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/02/2025 in txt file.

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