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: 7/24/2025
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 07/25/2025 16:04:21 74.03, -72.35 54.91 07/25/2025 16:05:04 74.01, -72.39 54.88 2.31 43
2 07/25/2025 16:55:03 -73.94, 95.17 125.18 07/25/2025 16:54:25 -73.93, 95.11 125.19 2.83 38
3 07/28/2025 02:26:00 -74.05, -47.82 124.52 07/28/2025 02:26:44 -74.02, -47.83 124.57 3.66 44
4 07/28/2025 03:16:44 73.94, 119.75 55.37 07/28/2025 03:16:04 73.96, 119.70 55.39 2.13 40
5 07/30/2025 12:47:42 74.06, -23.26 56.07 07/30/2025 12:48:23 74.08, -23.17 56.07 3.58 41
6 07/30/2025 13:38:24 -73.97, 144.28 124.03 07/30/2025 13:37:45 -73.96, 144.23 124.03 2.15 39
7 08/01/2025 23:09:22 -74.08, 1.27 123.31 08/01/2025 23:10:04 -74.07, 1.34 123.34 2.78 42
8 08/02/2025 00:00:06 73.98, 168.83 56.59 08/01/2025 23:59:24 73.99, 168.84 56.61 1.11 42
9 08/04/2025 09:31:03 74.05, 25.92 57.30 08/04/2025 09:31:43 74.08, 25.90 57.31 2.75 40
10 08/04/2025 10:21:46 -74.01,-166.65 122.75 08/04/2025 10:21:04 -74.02,-166.56 122.73 2.99 42
11 08/06/2025 19:52:43 -74.08, 50.45 122.02 08/06/2025 19:53:23 -74.10, 50.48 122.02 2.14 40
12 08/06/2025 20:43:27 73.99,-142.01 57.89 08/06/2025 20:42:43 74.01,-142.05 57.92 2.62 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/24/2025
SNOs_Map_NOAA-20_TERRA_20250724.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/24/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA