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: 9/30/2025
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 10/01/2025 17:20:04 -74.32, 88.10 102.08 10/01/2025 17:20:18 -74.32, 88.04 102.09 1.92 14
2 10/01/2025 18:10:48 74.25,-104.40 77.85 10/01/2025 18:09:37 74.23,-104.48 77.85 2.94 71
3 10/04/2025 02:51:10 -74.95, -56.32 100.47 10/04/2025 02:52:17 -74.87, -53.74 100.67 75.26 67
4 10/04/2025 03:41:43 74.35, 112.62 78.88 10/04/2025 03:41:45 74.32, 112.63 78.85 2.93 2
5 10/04/2025 04:32:21 -74.04, -79.28 101.45 10/04/2025 04:31:09 -74.15, -80.10 101.29 27.67 72
6 10/06/2025 13:12:40 74.55, -30.64 80.02 10/06/2025 13:13:51 74.48, -30.09 79.91 18.28 71
7 10/06/2025 14:03:20 -74.34, 137.23 100.20 10/06/2025 14:03:14 -74.35, 137.28 100.19 1.95 6
8 10/06/2025 14:53:50 73.58, -53.58 78.99 10/06/2025 14:52:45 73.64, -56.59 79.19 94.78 65
9 10/08/2025 23:34:14 -74.41, -5.66 99.22 10/08/2025 23:35:21 -74.42, -5.64 99.22 1.20 67
10 10/09/2025 00:24:58 74.34, 161.84 80.72 10/09/2025 00:24:40 74.34, 161.85 80.72 0.28 18
11 10/11/2025 09:55:52 74.42, 18.92 81.71 10/11/2025 09:56:46 74.43, 18.96 81.70 1.52 54
12 10/11/2025 10:46:35 -74.35,-173.59 98.36 10/11/2025 10:46:08 -74.35,-173.56 98.36 1.18 27
13 10/13/2025 20:17:29 -74.44, 43.47 97.38 10/13/2025 20:18:13 -74.44, 43.59 97.38 3.57 44
14 10/13/2025 21:08:12 74.32,-148.91 82.51 10/13/2025 21:07:33 74.32,-149.03 82.52 3.61 39

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_NOAA-20_TERRA_20250930.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/30/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA