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: 12/23/2025
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 12/23/2025 02:02:19 74.68, 136.78 98.35 12/23/2025 02:01:27 74.67, 136.70 98.36 2.70 52
2 12/25/2025 10:42:49 -75.50,-175.65 80.75 12/25/2025 10:43:53 -75.40,-172.18 81.05 97.67 64
3 12/25/2025 11:33:19 74.76, -6.16 98.40 12/25/2025 11:33:23 74.75, -6.17 98.39 1.10 4
4 12/25/2025 12:23:59 -74.55, 161.72 81.83 12/25/2025 12:22:46 -74.62, 161.19 81.72 17.44 73
5 12/27/2025 21:04:18 74.79,-148.98 98.36 12/27/2025 21:05:19 74.80,-149.07 98.37 3.18 61
6 12/27/2025 21:55:01 -74.72, 18.52 81.72 12/27/2025 21:54:41 -74.73, 18.42 81.70 3.18 20
7 12/30/2025 07:26:01 -74.80,-124.43 81.76 12/30/2025 07:26:36 -74.83,-124.39 81.74 3.22 35
8 12/30/2025 08:16:45 74.73, 43.08 98.17 12/30/2025 08:15:55 74.72, 43.03 98.17 1.82 50
9 01/01/2026 17:47:44 74.77, -99.77 98.04 01/01/2026 17:47:50 74.79, -99.84 98.06 3.10 6
10 01/01/2026 18:38:26 -74.64, 67.88 82.10 01/01/2026 18:37:13 -74.68, 67.55 82.04 10.35 73
11 01/04/2026 03:18:44 74.86, 117.24 97.94 01/04/2026 03:19:45 74.84, 117.25 97.90 2.24 61
12 01/04/2026 04:09:27 -74.78, -75.23 82.16 01/04/2026 04:09:07 -74.79, -75.22 82.16 0.36 20

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2025
SNOs_Map_NOAA-20_TERRA_20251223.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/23/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA