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: 10/6/2025
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 10/06/2025 13:12:39 74.53, -30.57 79.99 10/06/2025 13:13:50 74.45, -30.16 79.88 15.02 71
2 10/06/2025 14:03:19 -74.32, 137.29 100.22 10/06/2025 14:03:13 -74.31, 137.20 100.23 2.86 6
3 10/06/2025 14:53:49 73.55, -53.52 78.96 10/06/2025 14:52:44 73.61, -56.66 79.16 98.90 65
4 10/08/2025 23:34:13 -74.39, -5.61 99.24 10/08/2025 23:35:19 -74.41, -5.66 99.23 2.54 66
5 10/09/2025 00:24:57 74.32, 161.90 80.69 10/09/2025 00:24:38 74.34, 161.84 80.72 2.91 19
6 10/11/2025 09:55:51 74.40, 18.98 81.68 10/11/2025 09:56:44 74.41, 18.92 81.68 2.22 53
7 10/11/2025 10:46:34 -74.33,-173.55 98.38 10/11/2025 10:46:06 -74.32,-173.61 98.39 2.69 28
8 10/13/2025 20:17:28 -74.42, 43.52 97.40 10/13/2025 20:18:11 -74.40, 43.50 97.42 1.73 43
9 10/13/2025 21:08:12 74.34,-148.97 82.54 10/13/2025 21:07:30 74.33,-148.98 82.54 1.03 42
10 10/16/2025 06:39:06 74.44, 68.08 83.52 10/16/2025 06:39:34 74.44, 68.19 83.52 3.48 28
11 10/16/2025 07:29:48 -74.33,-124.32 96.59 10/16/2025 07:28:56 -74.35,-124.36 96.56 2.88 52
12 10/18/2025 17:00:41 -74.42, 92.71 95.62 10/18/2025 17:00:59 -74.42, 92.73 95.63 0.60 18

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_NOAA-20_TERRA_20251006.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/06/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA