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: 10/25/2025
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 10/25/2025 23:15:30 -74.44, -1.02 93.06 10/25/2025 23:15:51 -74.46, -1.07 93.04 2.48 21
2 10/26/2025 00:06:15 74.38, 166.44 86.90 10/26/2025 00:05:11 74.37, 166.40 86.90 1.44 64
3 10/28/2025 08:46:39 -74.79,-144.73 91.87 10/28/2025 08:47:50 -74.69,-143.59 92.02 35.26 71
4 10/28/2025 09:37:18 74.45, 23.52 87.77 10/28/2025 09:37:13 74.45, 23.52 87.78 0.63 5
5 10/28/2025 10:27:50 -73.87,-167.70 92.85 10/28/2025 10:26:42 -73.96,-169.92 92.67 69.31 68
6 10/30/2025 19:08:21 74.52,-119.43 88.64 10/30/2025 19:09:15 74.50,-119.42 88.61 1.63 54
7 10/30/2025 19:59:03 -74.43, 48.14 91.46 10/30/2025 19:58:36 -74.42, 48.06 91.45 2.38 27
8 11/02/2025 05:30:06 -74.50, -94.82 90.61 11/02/2025 05:30:37 -74.50, -94.83 90.62 0.73 31
9 11/02/2025 06:20:50 74.40, 72.76 89.30 11/02/2025 06:19:57 74.41, 72.65 89.32 3.67 53
10 11/04/2025 15:01:21 -75.21, 120.45 89.08 11/04/2025 15:02:26 -75.11, 123.61 89.31 90.84 65
11 11/04/2025 15:51:52 74.49, -70.22 90.14 11/04/2025 15:51:56 74.51, -70.18 90.16 3.18 4
12 11/04/2025 16:42:31 -74.25, 97.73 90.12 11/04/2025 16:41:19 -74.33, 97.06 90.01 21.94 72
13 11/07/2025 01:22:54 74.53, 146.91 90.90 11/07/2025 01:23:57 74.53, 146.81 90.90 2.86 63
14 11/07/2025 02:13:37 -74.49, -45.65 89.14 11/07/2025 02:13:17 -74.50, -45.59 89.13 2.42 20

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/25/2025
SNOs_Map_NOAA-20_TERRA_20251025.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/25/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA