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: 9/7/2025
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 09/07/2025 09:43:46 -74.64,-158.69 110.97 09/07/2025 09:44:55 -74.55,-157.07 111.17 48.85 69
2 09/07/2025 10:34:22 74.18, 9.85 68.52 09/07/2025 10:34:19 74.20, 9.81 68.54 3.11 3
3 09/07/2025 11:24:57 -73.72, 178.27 111.98 09/07/2025 11:23:48 -73.78, 176.55 111.81 54.14 69
4 09/09/2025 20:05:20 74.37,-133.36 69.62 09/09/2025 20:06:32 74.29,-133.10 69.51 11.37 72
5 09/09/2025 20:56:01 -74.20, 34.37 110.56 09/09/2025 20:55:55 -74.18, 34.32 110.57 2.64 6
6 09/09/2025 21:46:31 73.43,-156.47 68.61 09/09/2025 21:45:26 73.46,-159.55 68.82 97.82 65
7 09/12/2025 06:26:56 -74.29,-108.58 109.55 09/12/2025 06:28:06 -74.30,-108.52 109.57 2.02 70
8 09/12/2025 07:17:40 74.22, 58.91 70.39 09/12/2025 07:17:25 74.20, 58.93 70.36 2.49 15
9 09/14/2025 16:48:35 74.28, -83.95 71.35 09/14/2025 16:49:37 74.29, -83.98 71.35 1.79 62
10 09/14/2025 17:39:18 -74.20, 83.55 108.72 09/14/2025 17:39:00 -74.19, 83.47 108.73 2.90 18
11 09/17/2025 03:10:14 -74.31, -59.43 107.70 09/17/2025 03:11:11 -74.31, -59.37 107.71 1.86 57
12 09/17/2025 04:00:57 74.20, 108.17 72.20 09/17/2025 04:00:30 74.20, 108.06 72.21 3.28 27
13 09/19/2025 13:31:53 74.31, -34.84 73.24 09/19/2025 13:32:41 74.29, -34.84 73.21 1.70 48
14 09/19/2025 14:22:36 -74.23, 132.67 106.84 09/19/2025 14:22:03 -74.25, 132.73 106.82 2.97 33

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_NOAA-20_TERRA_20250907.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/07/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA