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: 10/3/2025
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 10/04/2025 02:51:10 -74.94, -56.29 100.48 10/04/2025 02:52:17 -74.85, -53.80 100.69 73.08 67
2 10/04/2025 03:41:43 74.33, 112.66 78.87 10/04/2025 03:41:44 74.35, 112.71 78.88 2.69 1
3 10/04/2025 04:32:21 -74.03, -79.25 101.46 10/04/2025 04:31:09 -74.12, -80.15 101.32 29.28 72
4 10/06/2025 13:12:39 74.50, -30.49 79.96 10/06/2025 13:13:50 74.47, -30.11 79.90 11.86 71
5 10/06/2025 14:03:20 -74.34, 137.24 100.20 10/06/2025 14:03:13 -74.34, 137.25 100.21 0.43 7
6 10/08/2025 23:34:13 -74.42, -5.68 99.21 10/08/2025 23:35:18 -74.40, -5.68 99.24 1.75 65
7 10/09/2025 00:24:57 74.34, 161.83 80.73 10/09/2025 00:24:37 74.32, 161.82 80.71 2.21 20
8 10/11/2025 09:55:50 74.39, 19.01 81.67 10/11/2025 09:56:42 74.39, 18.90 81.67 3.25 52
9 10/11/2025 10:46:33 -74.32,-173.51 98.39 10/11/2025 10:46:04 -74.31,-173.63 98.40 3.74 29
10 10/13/2025 20:17:27 -74.42, 43.51 97.39 10/13/2025 20:18:07 -74.43, 43.58 97.40 2.00 40
11 10/13/2025 21:08:11 74.35,-148.99 82.55 10/13/2025 21:07:26 74.36,-148.92 82.56 2.16 45
12 10/16/2025 06:39:04 74.42, 68.14 83.50 10/16/2025 06:39:29 74.43, 68.18 83.50 2.12 25

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/3/2025
SNOs_Map_NOAA-20_TERRA_20251004.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/03/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA