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: 11/8/2023
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 11/10/2023 03:29:01 -71.50, -58.10 91.55 11/10/2023 03:30:12 -71.48, -57.85 91.58 9.10 71
2 11/10/2023 04:19:44 71.33, 109.50 88.29 11/10/2023 04:19:35 71.32, 109.56 88.28 2.53 9
3 11/10/2023 05:10:18 -70.83, -82.32 92.22 11/10/2023 05:09:07 -70.87, -83.50 92.17 43.12 71
4 11/12/2023 15:32:26 72.09, -60.00 89.75 11/12/2023 15:33:34 71.98, -57.93 89.62 72.18 68
5 11/12/2023 16:22:56 -71.38, 108.63 90.98 11/12/2023 16:23:09 -71.36, 108.70 90.99 2.96 13
6 11/12/2023 17:13:40 71.27, -83.87 88.93 11/12/2023 17:12:31 71.26, -83.80 88.92 2.71 69
7 11/15/2023 04:26:08 71.36, 107.84 89.68 11/15/2023 04:26:38 71.37, 107.81 89.68 1.63 30
8 11/15/2023 05:16:50 -71.26, -84.67 90.42 11/15/2023 05:16:03 -71.30, -84.66 90.39 3.65 47
9 11/17/2023 16:29:20 -71.42, 106.95 89.64 11/17/2023 16:30:10 -71.41, 106.96 89.66 0.96 50
10 11/17/2023 17:20:04 71.32, -85.57 90.27 11/17/2023 17:19:32 71.31, -85.54 90.26 1.53 32
11 11/20/2023 04:32:33 71.44, 106.11 90.97 11/20/2023 04:33:38 71.43, 106.09 90.96 1.41 65
12 11/20/2023 05:23:15 -71.33, -86.39 89.13 11/20/2023 05:23:03 -71.35, -86.39 89.12 1.36 12

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 11/8/2023
SNOs_Map_NOAA-20_TERRA_20231108.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 11/08/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA