Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/24/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 04/24/2025 07:59:28 70.00, 56.20 56.94 04/24/2025 07:59:57 69.99, 56.18 56.94 0.98 29
2 04/24/2025 08:50:10 -69.90,-136.34 123.17 04/24/2025 08:49:27 -69.88,-136.35 123.19 2.84 43
3 04/26/2025 23:25:43 -70.15, 4.42 123.76 04/26/2025 23:26:55 -70.11, 4.58 123.82 7.32 72
4 04/27/2025 00:16:25 69.93, 172.06 56.00 04/27/2025 00:16:23 69.94, 171.99 56.02 3.25 2
5 04/27/2025 01:07:06 -69.78, -20.39 124.17 04/27/2025 01:05:53 -69.83, -20.53 124.11 7.79 73
6 04/29/2025 15:42:39 -70.03, 120.37 124.73 04/29/2025 15:43:21 -70.02, 120.35 124.74 1.14 42
7 04/29/2025 16:33:23 69.92, -72.16 55.16 04/29/2025 16:32:48 69.91, -72.16 55.15 1.38 35
8 05/02/2025 07:09:01 70.45, 68.16 54.91 05/02/2025 07:10:11 70.33, 69.06 54.77 36.13 70
9 05/02/2025 07:59:36 -69.97,-123.79 125.60 05/02/2025 07:59:46 -69.95,-123.85 125.62 3.58 10
10 05/02/2025 08:50:19 69.87, 43.68 54.29 05/02/2025 08:49:11 69.89, 43.71 54.32 2.58 68
11 05/04/2025 23:25:50 70.04,-175.44 53.70 05/04/2025 23:26:38 70.06,-175.44 53.72 2.36 48
12 05/05/2025 00:16:32 -69.92, -7.95 126.43 05/05/2025 00:16:08 -69.95, -7.95 126.40 2.97 24
13 05/07/2025 14:52:16 -70.77, 131.85 126.27 05/07/2025 14:53:24 -70.68, 133.73 126.41 69.92 68
14 05/07/2025 15:42:47 70.00, -59.62 52.92 05/07/2025 15:43:01 70.02, -59.59 52.93 2.20 14
15 05/07/2025 16:33:29 -69.88, 107.87 127.22 05/07/2025 16:32:31 -69.91, 107.89 127.18 3.23 58

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/24/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250424.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/24/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9