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 02:51:10 -74.94, -56.30 100.48 10/04/2025 02:52:17 -74.85, -53.80 100.69 73.24 67
2 10/04/2025 03:41:43 74.34, 112.65 78.87 10/04/2025 03:41:44 74.35, 112.71 78.88 2.37 1
3 10/04/2025 04:32:21 -74.03, -79.26 101.46 10/04/2025 04:31:09 -74.12, -80.15 101.32 29.10 72
4 10/06/2025 13:12:39 74.50, -30.50 79.96 10/06/2025 13:13:51 74.42, -30.22 79.86 12.06 72
5 10/06/2025 14:03:20 -74.34, 137.24 100.20 10/06/2025 14:03:13 -74.35, 137.27 100.20 1.08 7
6 10/08/2025 23:34:13 -74.42, -5.67 99.21 10/08/2025 23:35:18 -74.42, -5.64 99.22 1.01 65
7 10/09/2025 00:24:57 74.34, 161.83 80.73 10/09/2025 00:24:37 74.34, 161.85 80.72 0.95 20
8 10/11/2025 09:55:51 74.43, 18.89 81.72 10/11/2025 09:56:42 74.42, 18.96 81.70 2.68 51
9 10/11/2025 10:46:33 -74.32,-173.50 98.40 10/11/2025 10:46:04 -74.34,-173.56 98.37 2.74 29
10 10/13/2025 20:17:27 -74.42, 43.53 97.40 10/13/2025 20:18:08 -74.42, 43.56 97.40 1.08 41
11 10/13/2025 21:08:11 74.35,-148.97 82.54 10/13/2025 21:07:27 74.35,-148.94 82.55 1.12 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/2/2025
SNOs_Map_NOAA-20_TERRA_20251002.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