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: 9/26/2025
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 09/26/2025 20:36:48 -74.31, 38.93 103.96 09/26/2025 20:37:19 -74.31, 38.87 103.97 1.89 31
2 09/26/2025 21:27:32 74.24,-153.57 75.98 09/26/2025 21:26:38 74.22,-153.66 75.97 3.47 54
3 09/29/2025 06:58:27 74.32, 63.49 76.99 09/29/2025 06:58:47 74.33, 63.50 77.00 1.08 20
4 09/29/2025 07:49:10 -74.26,-129.02 103.07 09/29/2025 07:48:09 -74.27,-128.98 103.05 1.85 61
5 10/01/2025 17:20:05 -74.35, 88.02 102.05 10/01/2025 17:20:18 -74.35, 88.11 102.06 2.54 13
6 10/01/2025 18:10:49 74.28,-104.48 77.89 10/01/2025 18:09:37 74.26,-104.42 77.88 2.92 72
7 10/04/2025 02:51:11 -74.98, -56.40 100.44 10/04/2025 02:52:18 -74.86, -53.77 100.68 77.25 67
8 10/04/2025 03:41:43 74.33, 112.67 78.86 10/04/2025 03:41:45 74.36, 112.71 78.89 3.09 2
9 10/04/2025 04:32:22 -74.07, -79.35 101.42 10/04/2025 04:31:10 -74.13, -80.13 101.31 24.75 72
10 10/06/2025 13:12:41 74.59, -30.72 80.06 10/06/2025 13:13:52 74.47, -30.11 79.90 22.18 71
11 10/06/2025 14:03:20 -74.32, 137.29 100.22 10/06/2025 14:03:15 -74.35, 137.27 100.20 3.00 5
12 10/06/2025 14:53:51 73.61, -53.66 79.02 10/06/2025 14:52:45 73.69, -56.50 79.23 89.47 66
13 10/08/2025 23:34:14 -74.44, -5.73 99.19 10/08/2025 23:35:21 -74.43, -5.63 99.22 3.24 67
14 10/09/2025 00:24:57 74.32, 161.88 80.70 10/09/2025 00:24:40 74.34, 161.85 80.72 2.47 17

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/26/2025
SNOs_Map_NOAA-20_TERRA_20250927.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/26/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA