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: 3/26/2025
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 -70.75, 69.75 114.77 75.08 69
2 04/03/2025 19:43:27 71.32,-121.85 65.72 04/03/2025 19:42:13 71.28,-122.08 65.71 8.91 74
3 04/03/2025 20:34:12 -71.39, 45.34 114.22 04/03/2025 20:33:05 -71.40, 45.41 114.20 2.87 67
4 04/03/2025 21:24:58 71.38,-147.34 65.76 04/03/2025 21:24:08 71.37,-147.41 65.76 3.00 50
5 04/03/2025 22:15:42 -71.40, 19.94 114.24 04/03/2025 22:15:02 -71.38, 19.89 114.25 2.81 40
6 04/03/2025 23:06:29 71.45,-172.83 65.80 04/03/2025 23:06:03 71.45,-172.74 65.81 3.15 26
7 04/03/2025 23:57:12 -71.42, -5.46 114.25 04/03/2025 23:56:58 -71.42, -5.53 114.24 2.73 14
8 04/04/2025 00:47:59 71.46, 161.77 65.79 04/04/2025 00:47:59 71.48, 161.83 65.81 3.32 0
9 04/04/2025 01:38:43 -71.48, -30.95 114.21 04/04/2025 01:38:53 -71.50, -30.86 114.19 3.51 10
10 04/04/2025 02:29:29 71.48, 136.37 65.78 04/04/2025 02:29:56 71.47, 136.31 65.77 2.37 27
11 04/04/2025 03:20:13 -71.50, -56.34 114.22 04/04/2025 03:20:50 -71.48, -56.38 114.24 2.08 37
12 04/04/2025 04:10:59 71.49, 110.98 65.77 04/04/2025 04:11:52 71.50, 110.89 65.77 3.22 53
13 04/04/2025 05:01:43 -71.51, -81.74 114.23 04/04/2025 05:02:46 -71.51, -81.81 114.24 2.43 63
14 04/04/2025 05:52:33 71.71, 85.20 65.97 04/04/2025 05:53:46 71.63, 85.66 65.87 18.00 73
15 04/04/2025 06:43:23 -72.04,-108.09 113.69 04/04/2025 06:44:33 -72.00,-106.36 113.81 59.51 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/26/2025
SNOs_Map_NOAA-20_NOAA-19_20250326.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/26/2025 in txt file.

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