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: 6/17/2025
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 06/17/2025 23:00:57 70.32,-169.57 46.89 06/17/2025 23:02:08 70.23,-168.97 46.77 24.64 71
2 06/17/2025 23:51:34 -69.96, -1.71 133.49 06/17/2025 23:51:41 -69.96, -1.73 133.50 0.83 7
3 06/18/2025 00:42:18 69.85, 165.77 46.39 06/18/2025 00:41:08 69.86, 165.78 46.41 1.03 70
4 06/20/2025 15:17:48 70.06, -53.41 46.59 06/20/2025 15:18:42 70.05, -53.35 46.57 2.59 54
5 06/20/2025 16:08:29 -69.92, 114.13 133.56 06/20/2025 16:08:12 -69.94, 114.13 133.54 2.64 17
6 06/20/2025 16:58:59 69.06, -77.32 45.54 06/20/2025 16:57:52 69.12, -79.34 45.68 80.41 67
7 06/23/2025 07:34:42 70.02, 62.42 46.57 06/23/2025 07:35:12 70.01, 62.47 46.55 2.40 30
8 06/23/2025 08:25:23 -69.88,-130.04 133.58 06/23/2025 08:24:42 -69.91,-130.04 133.55 3.16 41
9 06/25/2025 23:01:00 -70.47, 10.19 132.89 06/25/2025 23:02:11 -70.34, 11.19 133.07 39.91 71
10 06/25/2025 23:51:36 69.94, 178.33 46.55 06/25/2025 23:51:43 69.96, 178.28 46.57 2.77 7
11 06/26/2025 00:42:18 -69.85, -14.22 133.55 06/26/2025 00:41:13 -69.86, -14.23 133.53 1.18 65
12 06/28/2025 15:17:47 -70.02, 126.66 133.25 06/28/2025 15:18:46 -70.06, 126.65 133.22 3.44 59
13 06/28/2025 16:08:31 69.91, -65.86 46.64 06/28/2025 16:08:13 69.94, -65.87 46.67 3.19 18
14 06/28/2025 16:59:02 -69.24, 102.44 134.07 06/28/2025 16:57:53 -69.29, 100.88 133.95 61.58 69

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/17/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250617.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 06/17/2025 in txt file.

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