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: 9/24/2025
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 -74.30, 38.95 103.97 09/26/2025 20:37:19 -74.32, 38.89 103.96 2.31 31
2 09/26/2025 21:27:32 74.23,-153.55 75.97 09/26/2025 21:26:38 74.22,-153.64 75.98 2.84 54
3 09/29/2025 06:58:27 74.31, 63.51 76.98 09/29/2025 06:58:47 74.34, 63.52 77.00 2.48 20
4 09/29/2025 07:49:10 -74.25,-129.00 103.08 09/29/2025 07:48:09 -74.28,-128.96 103.05 3.38 61
5 10/01/2025 17:20:05 -74.34, 88.05 102.06 10/01/2025 17:20:18 -74.35, 88.13 102.05 2.79 13
6 10/01/2025 18:10:49 74.27,-104.46 77.88 10/01/2025 18:09:37 74.26,-104.41 77.88 1.66 72
7 10/04/2025 02:51:11 -74.96, -56.36 100.45 10/04/2025 02:52:18 -74.86, -53.76 100.68 76.26 67
8 10/04/2025 03:41:43 74.32, 112.70 78.85 10/04/2025 03:41:46 74.31, 112.60 78.84 3.23 3
9 10/04/2025 04:32:22 -74.05, -79.32 101.43 10/04/2025 04:31:10 -74.14, -80.11 101.30 26.04 72
10 10/06/2025 13:12:40 74.57, -30.68 80.04 10/06/2025 13:13:51 74.47, -30.10 79.90 20.35 71
11 10/06/2025 14:03:20 -74.35, 137.20 100.19 10/06/2025 14:03:14 -74.35, 137.28 100.19 2.39 6

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/24/2025
SNOs_Map_NOAA-20_TERRA_20250925.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/24/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA