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 20:05:19 74.35,-133.32 69.60 09/09/2025 20:06:31 74.31,-133.06 69.53 8.94 72
2 09/09/2025 20:56:00 -74.19, 34.41 110.57 09/09/2025 20:55:54 -74.20, 34.36 110.56 2.12 6
3 09/09/2025 21:46:30 73.42,-156.43 68.59 09/09/2025 21:45:25 73.48,-159.51 68.84 97.91 65
4 09/12/2025 06:26:56 -74.28,-108.54 109.57 09/12/2025 06:28:07 -74.28,-108.58 109.59 0.99 71
5 09/12/2025 07:17:40 74.21, 58.95 70.37 09/12/2025 07:17:26 74.18, 58.88 70.35 3.33 14
6 09/14/2025 16:48:36 74.30, -84.02 71.38 09/14/2025 16:49:38 74.29, -83.98 71.35 1.86 62
7 09/14/2025 17:39:19 -74.23, 83.48 108.69 09/14/2025 17:39:00 -74.24, 83.57 108.68 3.12 19
8 09/17/2025 03:10:14 -74.28, -59.37 107.72 09/17/2025 03:11:13 -74.28, -59.44 107.73 2.07 59
9 09/17/2025 04:00:58 74.22, 108.11 72.22 09/17/2025 04:00:31 74.23, 108.12 72.24 1.42 27
10 09/19/2025 13:31:54 74.32, -34.88 73.26 09/19/2025 13:32:43 74.30, -34.83 73.22 3.06 49
11 09/19/2025 14:22:37 -74.25, 132.62 106.82 09/19/2025 14:22:05 -74.26, 132.74 106.81 3.65 32
12 09/21/2025 23:53:32 -74.31, -10.25 105.83 09/21/2025 23:54:17 -74.31, -10.24 105.84 0.59 45
13 09/22/2025 00:44:16 74.25, 157.22 74.12 09/22/2025 00:43:35 74.26, 157.31 74.13 2.72 41

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2025
SNOs_Map_NOAA-20_TERRA_20250909.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