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: 5/18/2025
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 05/18/2025 13:05:36 -73.99, 152.33 125.49 05/18/2025 13:06:47 -73.91, 153.33 125.63 31.80 71
2 05/18/2025 13:56:15 73.66, -39.58 54.15 05/18/2025 13:56:09 73.67, -39.50 54.15 2.58 6
3 05/18/2025 14:46:49 -73.15, 128.91 126.43 05/18/2025 14:45:39 -73.21, 127.22 126.26 54.90 70
4 05/20/2025 23:27:23 74.20, 176.38 54.25 05/20/2025 23:28:31 74.10, 178.24 54.03 57.77 68
5 05/21/2025 00:17:57 -73.68, -15.05 126.34 05/21/2025 00:18:00 -73.69, -14.97 126.34 2.66 3
6 05/21/2025 01:08:34 73.26, 153.23 53.19 05/21/2025 01:07:24 73.34, 151.98 53.35 40.99 70
7 05/23/2025 09:49:11 -74.51,-159.86 125.87 05/23/2025 09:50:16 -74.41,-156.56 126.17 98.83 65
8 05/23/2025 10:39:40 73.71, 9.47 53.22 05/23/2025 10:39:47 73.69, 9.53 53.20 2.64 7
9 05/23/2025 11:30:22 -73.58, 177.07 126.93 05/23/2025 11:29:10 -73.60, 177.01 126.89 2.99 72
10 05/25/2025 21:01:22 -73.73, 33.99 127.19 05/25/2025 21:01:37 -73.72, 34.09 127.21 3.61 15
11 05/25/2025 21:52:05 73.62,-158.42 52.68 05/25/2025 21:50:56 73.63,-158.43 52.70 1.24 69
12 05/28/2025 07:23:04 73.73, 58.59 52.41 05/28/2025 07:23:23 73.72, 58.60 52.39 0.81 19
13 05/28/2025 08:13:47 -73.65,-133.92 127.69 05/28/2025 08:12:46 -73.64,-133.91 127.69 1.14 61
14 05/30/2025 17:44:46 -73.76, 83.08 127.92 05/30/2025 17:45:12 -73.76, 83.18 127.94 2.97 26
15 05/30/2025 18:35:29 73.65,-109.33 51.95 05/30/2025 18:34:31 73.66,-109.36 51.98 1.57 58

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/18/2025
SNOs_Map_NOAA-20_TERRA_20250518.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA