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: 10/27/2025
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 10/28/2025 08:46:40 -74.83,-144.83 91.83 10/28/2025 08:47:50 -74.70,-143.56 92.01 39.72 70
2 10/28/2025 09:37:18 74.43, 23.55 87.76 10/28/2025 09:37:14 74.42, 23.44 87.75 3.79 4
3 10/28/2025 10:27:51 -73.90,-167.79 92.81 10/28/2025 10:26:43 -73.92,-170.01 92.70 68.44 68
4 10/30/2025 19:08:20 74.50,-119.38 88.62 10/30/2025 19:09:14 74.52,-119.38 88.63 2.54 54
5 10/30/2025 19:59:03 -74.46, 48.05 91.42 10/30/2025 19:58:35 -74.44, 48.09 91.44 2.66 28
6 11/02/2025 05:30:05 -74.49, -94.77 90.63 11/02/2025 05:30:36 -74.52, -94.78 90.60 3.73 31
7 11/02/2025 06:20:50 74.43, 72.69 89.33 11/02/2025 06:19:56 74.44, 72.71 89.34 1.38 54
8 11/04/2025 15:01:21 -75.19, 120.51 89.11 11/04/2025 15:02:27 -75.09, 123.55 89.33 87.24 66
9 11/04/2025 15:51:53 74.51, -70.28 90.16 11/04/2025 15:51:57 74.49, -70.23 90.14 2.31 4
10 11/04/2025 16:42:32 -74.27, 97.66 90.09 11/04/2025 16:41:19 -74.35, 97.12 89.98 18.73 73
11 11/07/2025 01:22:55 74.55, 146.87 90.92 11/07/2025 01:23:57 74.57, 146.90 90.93 2.73 62
12 11/07/2025 02:13:38 -74.50, -45.69 89.12 11/07/2025 02:13:18 -74.49, -45.63 89.14 2.72 20
13 11/09/2025 11:44:40 -74.55, 171.44 88.38 11/09/2025 11:45:18 -74.54, 171.44 88.40 1.05 38
14 11/09/2025 12:35:24 74.45, -20.98 91.52 11/09/2025 12:34:38 74.46, -21.08 91.54 3.30 46

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/27/2025
SNOs_Map_NOAA-20_TERRA_20251028.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA