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: 10/8/2025
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 10/08/2025 23:34:14 -74.43, -5.72 99.20 10/08/2025 23:35:19 -74.42, -5.65 99.22 2.53 65
2 10/09/2025 00:24:58 74.35, 161.80 80.74 10/09/2025 00:24:38 74.35, 161.87 80.73 2.09 20
3 10/11/2025 09:55:52 74.43, 18.88 81.72 10/11/2025 09:56:44 74.42, 18.96 81.70 2.44 52
4 10/11/2025 10:46:34 -74.33,-173.52 98.39 10/11/2025 10:46:06 -74.33,-173.58 98.37 2.09 28
5 10/13/2025 20:17:28 -74.41, 43.55 97.41 10/13/2025 20:18:11 -74.43, 43.56 97.40 2.45 43
6 10/13/2025 21:08:12 74.33,-148.94 82.53 10/13/2025 21:07:31 74.31,-149.04 82.52 3.63 41
7 10/16/2025 06:39:05 74.42, 68.11 83.50 10/16/2025 06:39:34 74.44, 68.17 83.51 2.42 29
8 10/16/2025 07:29:48 -74.36,-124.42 96.55 10/16/2025 07:28:56 -74.34,-124.38 96.57 2.65 52
9 10/18/2025 17:00:41 -74.41, 92.75 95.63 10/18/2025 17:01:00 -74.43, 92.76 95.61 2.76 19
10 10/18/2025 17:51:25 74.33, -99.74 84.30 10/18/2025 17:50:20 74.32, -99.83 84.30 2.86 65
11 10/21/2025 02:31:48 -75.13, -51.97 93.98 10/21/2025 02:32:53 -75.07, -48.78 94.18 91.64 65
12 10/21/2025 03:22:19 74.44, 117.28 85.27 10/21/2025 03:22:23 74.44, 117.38 85.27 3.25 4

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/8/2025
SNOs_Map_NOAA-20_TERRA_20251008.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/08/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA