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: 4/15/2025
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 15:17:13 70.57, -54.10 59.83 04/17/2025 15:18:23 70.48, -52.83 59.70 48.23 70
2 04/17/2025 16:07:46 -70.01, 114.10 120.78 04/17/2025 16:08:00 -69.98, 114.09 120.81 3.04 14
3 04/17/2025 16:58:30 69.89, -78.41 59.09 04/17/2025 16:57:27 69.88, -78.41 59.08 0.78 63
4 04/20/2025 07:34:02 70.06, 62.47 58.36 04/20/2025 07:34:57 70.04, 62.42 58.34 2.38 55
5 04/20/2025 08:24:44 -69.97,-130.08 121.75 04/20/2025 08:24:26 -69.99,-130.02 121.74 2.85 18
6 04/20/2025 09:15:14 69.10, 38.48 57.35 04/20/2025 09:14:06 69.16, 36.51 57.46 78.61 68
7 04/22/2025 23:51:00 70.03, 178.27 57.42 04/22/2025 23:51:22 70.05, 178.33 57.44 3.23 22
8 04/23/2025 00:41:42 -69.93, -14.27 122.69 04/23/2025 00:40:52 -69.94, -14.20 122.68 2.84 50
9 04/25/2025 15:17:13 -70.07, 126.66 123.41 04/25/2025 15:18:21 -70.08, 126.61 123.41 2.43 68
10 04/25/2025 16:07:57 69.96, -65.87 56.47 04/25/2025 16:07:48 69.96, -65.91 56.47 1.61 9
11 04/25/2025 16:58:34 -69.59, 102.00 123.93 04/25/2025 16:57:22 -69.63, 101.27 123.86 28.47 72
12 04/28/2025 07:34:10 -70.05,-117.56 124.28 04/28/2025 07:34:44 -70.05,-117.53 124.29 1.05 34
13 04/28/2025 08:24:54 69.96, 49.90 55.61 04/28/2025 08:24:11 69.94, 49.95 55.59 2.69 43

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/15/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250415.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/15/2025 in txt file.

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