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: 9/8/2025
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 09/09/2025 20:05:20 74.39,-133.42 69.65 09/09/2025 20:06:31 74.32,-133.04 69.54 13.83 71
2 09/09/2025 20:56:01 -74.23, 34.31 110.53 09/09/2025 20:55:54 -74.21, 34.38 110.55 2.73 7
3 09/09/2025 21:46:30 73.41,-156.41 68.58 09/09/2025 21:45:25 73.49,-159.50 68.85 98.19 65
4 09/12/2025 06:26:56 -74.27,-108.52 109.58 09/12/2025 06:28:07 -74.28,-108.57 109.58 2.14 71
5 09/12/2025 07:17:40 74.20, 58.98 70.36 09/12/2025 07:17:26 74.19, 58.89 70.35 2.94 14
6 09/14/2025 16:48:36 74.30, -84.00 71.37 09/14/2025 16:49:38 74.28, -84.00 71.34 1.53 62
7 09/14/2025 17:39:19 -74.23, 83.50 108.70 09/14/2025 17:39:00 -74.24, 83.56 108.69 2.22 19
8 09/17/2025 03:10:15 -74.33, -59.48 107.68 09/17/2025 03:11:12 -74.31, -59.37 107.71 3.68 57
9 09/17/2025 04:00:58 74.21, 108.12 72.22 09/17/2025 04:00:31 74.21, 108.07 72.22 1.65 27
10 09/19/2025 13:31:54 74.32, -34.88 73.25 09/19/2025 13:32:42 74.31, -34.79 73.23 2.60 48
11 09/19/2025 14:22:36 -74.25, 132.63 106.82 09/19/2025 14:22:04 -74.22, 132.66 106.84 2.81 32
12 09/21/2025 23:53:31 -74.31, -10.24 105.84 09/21/2025 23:54:15 -74.30, -10.26 105.85 0.41 44
13 09/22/2025 00:44:15 74.25, 157.22 74.12 09/22/2025 00:43:33 74.25, 157.29 74.12 2.09 42

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_NOAA-20_TERRA_20250908.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/08/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA