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: 9/3/2025
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 09/04/2025 23:22:09 74.73, 176.49 68.23 09/04/2025 23:23:17 74.64, 178.61 68.02 62.84 68
2 09/05/2025 00:12:42 -74.18, -14.75 112.38 09/05/2025 00:12:47 -74.17, -14.83 112.39 2.79 5
3 09/05/2025 01:03:20 73.80, 153.48 67.22 09/05/2025 01:02:10 73.87, 152.20 67.38 40.58 70
4 09/07/2025 09:43:46 -74.65,-158.70 110.97 09/07/2025 09:44:55 -74.54,-157.09 111.18 49.12 69
5 09/07/2025 10:34:22 74.19, 9.82 68.53 09/07/2025 10:34:19 74.19, 9.78 68.53 1.31 3
6 09/07/2025 11:24:57 -73.73, 178.26 111.97 09/07/2025 11:23:48 -73.77, 176.53 111.82 54.11 69
7 09/09/2025 20:05:20 74.38,-133.39 69.63 09/09/2025 20:06:31 74.31,-133.04 69.53 12.27 71
8 09/09/2025 20:56:01 -74.21, 34.36 110.55 09/09/2025 20:55:54 -74.21, 34.39 110.55 1.04 7
9 09/12/2025 06:26:57 -74.30,-108.60 109.55 09/12/2025 06:28:06 -74.31,-108.50 109.56 3.33 69
10 09/12/2025 07:17:40 74.19, 59.00 70.34 09/12/2025 07:17:25 74.21, 58.94 70.37 2.89 15
11 09/14/2025 16:48:35 74.29, -83.98 71.36 09/14/2025 16:49:36 74.27, -84.02 71.33 2.80 61
12 09/14/2025 17:39:18 -74.21, 83.53 108.71 09/14/2025 17:38:58 -74.23, 83.55 108.70 1.38 20
13 09/17/2025 03:10:14 -74.32, -59.46 107.68 09/17/2025 03:11:09 -74.31, -59.37 107.71 3.16 55
14 09/17/2025 04:00:57 74.21, 108.13 72.21 09/17/2025 04:00:28 74.20, 108.06 72.21 2.71 29

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/3/2025
SNOs_Map_NOAA-20_TERRA_20250904.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA