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: 3/21/2025
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 -70.76, 71.78 114.86 04/03/2025 18:51:22 -70.78, 69.79 114.74 72.80 69
2 04/03/2025 19:43:28 71.33,-121.88 65.74 04/03/2025 19:42:14 71.31,-122.04 65.73 6.37 74
3 04/03/2025 20:34:13 -71.40, 45.32 114.21 04/03/2025 20:33:07 -71.38, 45.36 114.22 3.03 66
4 04/03/2025 21:24:59 71.40,-147.37 65.78 04/03/2025 21:24:09 71.39,-147.37 65.78 0.81 50
5 04/03/2025 22:15:43 -71.41, 19.92 114.23 04/03/2025 22:15:03 -71.41, 19.94 114.22 0.71 40
6 04/03/2025 23:06:29 71.41,-172.77 65.76 04/03/2025 23:06:05 71.42,-172.80 65.78 1.71 24
7 04/03/2025 23:57:13 -71.43, -5.48 114.24 04/03/2025 23:56:59 -71.44, -5.49 114.22 1.89 14
8 04/04/2025 00:48:00 71.48, 161.74 65.81 04/04/2025 00:48:01 71.46, 161.78 65.79 2.56 1
9 04/04/2025 01:38:44 -71.49, -30.97 114.20 04/04/2025 01:38:55 -71.48, -30.91 114.22 2.57 11
10 04/04/2025 02:29:30 71.49, 136.34 65.79 04/04/2025 02:29:57 71.49, 136.36 65.79 0.45 27
11 04/04/2025 03:20:14 -71.50, -56.36 114.21 04/04/2025 03:20:51 -71.51, -56.33 114.21 1.17 37

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 3/21/2025
SNOs_Map_NOAA-20_NOAA-19_20250321.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 03/21/2025 in txt file.

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