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: 7/8/2025
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 07/08/2025 15:32:29 -73.93, 115.81 128.12 07/08/2025 15:33:11 -73.95, 115.79 128.12 1.51 42
2 07/08/2025 16:23:14 73.87, -76.72 51.82 07/08/2025 16:22:31 73.88, -76.67 51.84 2.37 43
3 07/11/2025 01:54:16 73.93, 140.38 52.20 07/11/2025 01:54:54 73.92, 140.26 52.18 3.69 38
4 07/11/2025 02:44:59 -73.89, -52.22 127.84 07/11/2025 02:44:14 -73.90, -52.11 127.83 3.40 45
5 07/13/2025 12:16:01 -73.96, 164.87 127.43 07/13/2025 12:16:36 -73.98, 164.91 127.42 2.40 35
6 07/13/2025 13:06:46 73.89, -27.66 52.51 07/13/2025 13:05:57 73.86, -27.67 52.49 3.68 49
7 07/15/2025 22:37:48 73.96,-170.58 52.96 07/15/2025 22:38:18 73.98,-170.57 52.97 1.63 30
8 07/15/2025 23:28:30 -73.87, -3.05 127.13 07/15/2025 23:27:39 -73.91, -3.05 127.09 3.48 51
9 07/18/2025 08:59:33 -73.99,-146.08 126.59 07/18/2025 09:00:01 -73.96,-146.08 126.63 3.89 28
10 07/18/2025 09:50:17 73.88, 21.49 53.30 07/18/2025 09:49:21 73.89, 21.44 53.32 1.71 56
11 07/20/2025 19:21:20 74.01,-121.56 53.88 07/20/2025 19:21:42 73.98,-121.51 53.85 3.32 22

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2025
SNOs_Map_NOAA-20_TERRA_20250708.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/08/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA