Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/16/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/17/2025 15:17:14 70.59, -54.13 59.84 04/17/2025 15:18:24 70.47, -52.85 59.68 49.15 70
2 04/17/2025 16:07:47 -70.03, 114.07 120.76 04/17/2025 16:08:00 -70.02, 114.14 120.77 2.78 13
3 04/17/2025 16:58:31 69.90, -78.43 59.10 04/17/2025 16:57:27 69.92, -78.36 59.12 3.05 64
4 04/20/2025 07:34:02 70.08, 62.44 58.38 04/20/2025 07:34:56 70.07, 62.47 58.37 1.29 54
5 04/20/2025 08:24:43 -69.93,-130.03 121.79 04/20/2025 08:24:26 -69.96,-130.06 121.76 3.02 17
6 04/20/2025 09:15:13 69.07, 38.53 57.31 04/20/2025 09:14:06 69.13, 36.47 57.44 81.94 67
7 04/22/2025 23:50:59 70.00, 178.31 57.39 04/22/2025 23:51:22 70.02, 178.28 57.41 2.33 23
8 04/23/2025 00:41:41 -69.90, -14.22 122.72 04/23/2025 00:40:52 -69.91, -14.24 122.72 0.87 49
9 04/25/2025 15:17:13 -70.10, 126.62 123.38 04/25/2025 15:18:20 -70.08, 126.62 123.40 1.24 67
10 04/25/2025 16:07:57 69.99, -65.91 56.50 04/25/2025 16:07:47 69.97, -65.89 56.48 2.00 10
11 04/25/2025 16:58:33 -69.57, 102.03 123.95 04/25/2025 16:57:21 -69.64, 101.29 123.85 30.08 72
12 04/28/2025 07:34:10 -70.04,-117.53 124.30 04/28/2025 07:34:44 -70.05,-117.53 124.29 1.33 34
13 04/28/2025 08:24:54 69.94, 49.93 55.59 04/28/2025 08:24:11 69.93, 49.95 55.59 0.71 43

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/16/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250416.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/16/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8