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: 10/2/2025
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 10/04/2025 02:51:09 -74.92, -56.25 100.50 10/04/2025 02:52:16 -74.86, -53.76 100.67 72.63 67
2 10/04/2025 03:41:42 74.32, 112.70 78.85 10/04/2025 03:41:44 74.32, 112.63 78.85 2.10 2
3 10/04/2025 04:32:20 -74.01, -79.21 101.48 10/04/2025 04:31:09 -74.09, -80.23 101.35 32.05 71
4 10/06/2025 13:12:38 74.48, -30.45 79.94 10/06/2025 13:13:50 74.44, -30.17 79.88 9.30 72
5 10/06/2025 14:03:19 -74.32, 137.29 100.22 10/06/2025 14:03:13 -74.31, 137.19 100.23 3.05 6
6 10/06/2025 14:53:49 73.56, -53.53 78.96 10/06/2025 14:52:44 73.60, -56.67 79.15 99.03 65
7 10/08/2025 23:34:13 -74.40, -5.62 99.23 10/08/2025 23:35:19 -74.39, -5.71 99.25 3.01 66
8 10/09/2025 00:24:57 74.32, 161.88 80.70 10/09/2025 00:24:38 74.31, 161.78 80.69 3.43 19
9 10/11/2025 09:55:51 74.41, 18.94 81.70 10/11/2025 09:56:43 74.39, 18.90 81.67 2.49 52
10 10/11/2025 10:46:34 -74.35,-173.58 98.36 10/11/2025 10:46:04 -74.36,-173.51 98.35 2.46 30
11 10/13/2025 20:17:27 -74.40, 43.59 97.42 10/13/2025 20:18:09 -74.40, 43.49 97.43 2.77 42
12 10/13/2025 21:08:11 74.32,-148.92 82.52 10/13/2025 21:07:28 74.32,-149.00 82.52 2.54 43
13 10/16/2025 06:39:05 74.43, 68.10 83.51 10/16/2025 06:39:31 74.42, 68.15 83.49 2.10 26

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/2/2025
SNOs_Map_NOAA-20_TERRA_20251003.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/02/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA