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: 4/18/2025
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 04/20/2025 07:34:02 70.05, 62.47 58.36 04/20/2025 07:34:57 70.06, 62.44 58.35 1.21 55
2 04/20/2025 08:24:44 -69.97,-130.08 121.75 04/20/2025 08:24:27 -69.94,-130.09 121.78 3.17 17
3 04/20/2025 09:15:14 69.10, 38.49 57.34 04/20/2025 09:14:06 69.17, 36.52 57.47 78.40 68
4 04/22/2025 23:51:00 70.03, 178.28 57.42 04/22/2025 23:51:23 70.02, 178.28 57.41 0.32 23
5 04/23/2025 00:41:42 -69.93, -14.26 122.70 04/23/2025 00:40:53 -69.91, -14.24 122.72 2.51 49
6 04/25/2025 15:17:14 -70.11, 126.59 123.36 04/25/2025 15:18:21 -70.12, 126.66 123.37 2.68 67
7 04/25/2025 16:07:57 69.95, -65.85 56.46 04/25/2025 16:07:49 69.95, -65.92 56.46 2.72 8
8 04/25/2025 16:58:34 -69.59, 102.01 123.93 04/25/2025 16:57:22 -69.68, 101.33 123.82 28.03 72
9 04/28/2025 07:34:10 -70.05,-117.54 124.29 04/28/2025 07:34:45 -70.07,-117.52 124.27 2.58 35
10 04/28/2025 08:24:54 69.94, 49.92 55.60 04/28/2025 08:24:12 69.95, 49.97 55.61 2.28 42
11 04/30/2025 23:00:27 70.21,-169.34 55.06 04/30/2025 23:01:39 70.14,-169.15 54.99 10.27 72
12 04/30/2025 23:51:07 -69.99, -1.69 125.18 04/30/2025 23:51:10 -69.98, -1.74 125.19 2.18 3
13 05/01/2025 00:41:50 69.84, 165.84 54.66 05/01/2025 00:40:37 69.86, 165.74 54.69 4.86 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/18/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250418.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/18/2025 in txt file.

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