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: 10/29/2025
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 10/30/2025 19:08:20 74.50,-119.37 88.62 10/30/2025 19:09:14 74.53,-119.37 88.64 3.53 54
2 10/30/2025 19:59:03 -74.46, 48.05 91.42 10/30/2025 19:58:35 -74.44, 48.10 91.44 2.29 28
3 11/02/2025 05:30:06 -74.53, -94.90 90.58 11/02/2025 05:30:36 -74.52, -94.77 90.59 3.83 30
4 11/02/2025 06:20:50 74.42, 72.70 89.32 11/02/2025 06:19:56 74.45, 72.72 89.35 2.65 54
5 11/04/2025 15:01:21 -75.19, 120.52 89.11 11/04/2025 15:02:27 -75.09, 123.56 89.33 87.52 66
6 11/04/2025 15:51:53 74.51, -70.27 90.16 11/04/2025 15:51:57 74.50, -70.21 90.15 1.87 4
7 11/04/2025 16:42:32 -74.27, 97.67 90.10 11/04/2025 16:41:19 -74.36, 97.14 89.97 18.93 73
8 11/07/2025 01:22:55 74.55, 146.88 90.92 11/07/2025 01:23:58 74.53, 146.81 90.90 2.36 63
9 11/07/2025 02:13:38 -74.50, -45.69 89.12 11/07/2025 02:13:18 -74.50, -45.61 89.13 2.61 20
10 11/09/2025 11:44:40 -74.55, 171.44 88.38 11/09/2025 11:45:18 -74.56, 171.47 88.38 1.33 38
11 11/09/2025 12:35:25 74.49, -21.11 91.57 11/09/2025 12:34:38 74.48, -21.04 91.56 2.71 47
12 11/11/2025 22:06:27 74.55,-164.00 92.30 11/11/2025 22:06:37 74.56,-163.90 92.30 3.14 10

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/29/2025
SNOs_Map_NOAA-20_TERRA_20251030.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/29/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA