Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/7/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 10/08/2023 11:24:58 71.23, 3.40 77.03 10/08/2023 11:25:25 71.26, 3.41 77.05 2.42 27
2 10/08/2023 12:15:40 -71.15, 170.85 103.04 10/08/2023 12:14:51 -71.13, 170.86 103.07 2.88 49
3 10/10/2023 23:28:04 -71.32, 2.47 101.93 10/10/2023 23:29:08 -71.32, 2.54 101.95 2.67 64
4 10/11/2023 00:18:48 71.21, 169.97 77.97 10/11/2023 00:18:30 71.22, 170.05 77.97 2.70 18
5 10/11/2023 01:09:16 -70.40, -21.37 102.85 10/11/2023 01:08:08 -70.44, -23.47 102.78 78.70 68
6 10/13/2023 11:31:29 72.22, 0.03 79.93 10/13/2023 11:32:34 72.11, 2.91 79.79 98.83 65
7 10/13/2023 12:21:54 -71.26, 169.12 101.05 10/13/2023 12:22:14 -71.24, 169.12 101.07 2.02 20
8 10/13/2023 13:12:38 71.15, -23.38 78.85 10/13/2023 13:11:36 71.13, -23.39 78.84 1.80 62
9 10/16/2023 00:25:02 71.29, 168.28 79.91 10/16/2023 00:25:53 71.27, 168.23 79.89 2.71 51
10 10/16/2023 01:15:44 -71.20, -24.25 100.17 10/16/2023 01:15:18 -71.22, -24.21 100.15 2.45 26
11 10/18/2023 12:28:18 -71.87, 166.47 98.58 10/18/2023 12:29:27 -71.75, 168.05 98.72 56.44 69
12 10/18/2023 13:18:52 71.25, -25.11 80.80 10/18/2023 13:18:56 71.25, -25.09 80.80 0.81 4
13 10/18/2023 14:09:34 -71.16, 142.36 99.29 10/18/2023 14:08:22 -71.15, 142.39 99.29 1.33 72
14 10/21/2023 01:21:58 -71.32, -26.01 98.23 10/21/2023 01:22:37 -71.31, -25.96 98.25 2.08 39

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/7/2023
SNOs_Map_NOAA-20_TERRA_20231007.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/07/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA