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: 4/19/2025
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, 62.48 58.35 04/20/2025 07:34:57 70.06, 62.44 58.35 1.52 55
2 04/20/2025 08:24:44 -69.96,-130.07 121.76 04/20/2025 08:24:27 -69.94,-130.09 121.78 2.85 17
3 04/20/2025 09:15:14 69.09, 38.50 57.34 04/20/2025 09:14:06 69.17, 36.52 57.47 78.60 68
4 04/22/2025 23:51:00 70.02, 178.28 57.42 04/22/2025 23:51:23 70.02, 178.28 57.41 0.14 23
5 04/23/2025 00:41:42 -69.93, -14.26 122.70 04/23/2025 00:40:53 -69.91, -14.25 122.72 2.43 49
6 04/25/2025 15:17:13 -70.11, 126.59 123.36 04/25/2025 15:18:20 -70.11, 126.66 123.37 2.46 67
7 04/25/2025 16:07:56 69.95, -65.85 56.46 04/25/2025 16:07:48 69.95, -65.93 56.46 2.92 8
8 04/25/2025 16:58:33 -69.59, 102.01 123.93 04/25/2025 16:57:21 -69.67, 101.32 123.82 28.13 72
9 04/28/2025 07:34:10 -70.05,-117.54 124.29 04/28/2025 07:34:45 -70.06,-117.52 124.28 2.01 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 1.96 42
11 04/30/2025 23:00:27 70.21,-169.34 55.07 04/30/2025 23:01:38 70.19,-169.07 55.04 10.38 71
12 04/30/2025 23:51:07 -69.99, -1.70 125.17 04/30/2025 23:51:10 -69.97, -1.75 125.19 2.76 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 4.67 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/19/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250419.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/19/2025 in txt file.

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