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: 5/11/2025
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 05/11/2025 06:00:24 73.66, 79.37 55.88 05/11/2025 06:01:20 73.65, 79.31 55.86 2.63 56
2 05/11/2025 06:51:07 -73.60,-113.16 124.21 05/11/2025 06:50:42 -73.60,-113.14 124.20 0.61 25
3 05/13/2025 16:22:06 -73.67, 103.93 124.72 05/13/2025 16:23:12 -73.68, 103.85 124.72 2.67 66
4 05/13/2025 17:12:50 73.59, -88.58 55.19 05/13/2025 17:12:31 73.60, -88.64 55.20 2.03 19
5 05/16/2025 02:43:50 73.73, 128.38 54.77 05/16/2025 02:45:00 73.71, 128.41 54.73 2.16 70
6 05/16/2025 03:34:32 -73.60, -64.02 125.38 05/16/2025 03:34:23 -73.62, -64.12 125.36 3.55 9
7 05/18/2025 13:05:37 -74.03, 152.22 125.44 05/18/2025 13:06:47 -73.92, 153.35 125.62 36.58 70
8 05/18/2025 13:56:15 73.66, -39.58 54.15 05/18/2025 13:56:09 73.67, -39.51 54.15 2.44 6
9 05/18/2025 14:46:49 -73.14, 128.92 126.44 05/18/2025 14:45:40 -73.16, 127.13 126.30 57.88 69
10 05/20/2025 23:27:23 74.20, 176.38 54.25 05/20/2025 23:28:31 74.10, 178.25 54.04 57.81 68
11 05/21/2025 00:17:57 -73.67, -15.03 126.35 05/21/2025 00:18:01 -73.65, -15.05 126.37 2.39 4
12 05/21/2025 01:08:35 73.31, 153.13 53.24 05/21/2025 01:07:24 73.34, 151.99 53.36 36.44 71
13 05/23/2025 10:39:40 73.70, 9.49 53.21 05/23/2025 10:39:47 73.70, 9.56 53.21 2.41 7

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/11/2025
SNOs_Map_NOAA-20_TERRA_20250511.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/11/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA