Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/11/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 10/13/2023 16:07:40 -69.99, 114.14 102.28 10/13/2023 16:08:42 -70.00, 114.19 102.27 2.42 62
2 10/13/2023 16:58:24 69.87, -78.38 77.62 10/13/2023 16:58:09 69.90, -78.31 77.64 3.68 15
3 10/13/2023 17:48:57 -69.31, 89.76 102.93 10/13/2023 17:47:46 -69.40, 88.65 102.84 44.48 71
4 10/16/2023 08:24:32 -69.94,-130.01 101.33 10/16/2023 08:25:14 -69.93,-130.04 101.35 2.14 42
5 10/16/2023 09:15:16 69.83, 37.46 78.57 10/16/2023 09:14:41 69.82, 37.46 78.56 1.53 35
6 10/18/2023 23:50:56 70.74, 177.19 80.45 10/18/2023 23:52:03 70.62, 179.22 80.32 75.81 67
7 10/19/2023 00:41:24 -69.91, -14.19 100.39 10/19/2023 00:41:44 -69.91, -14.18 100.39 0.40 20
8 10/19/2023 01:32:08 69.80, 153.28 79.52 10/19/2023 01:31:11 69.80, 153.31 79.52 1.19 57
9 10/21/2023 16:07:33 69.99, -65.85 80.65 10/21/2023 16:08:42 70.01, -65.79 80.66 2.72 69
10 10/21/2023 16:58:14 -69.84, 101.70 99.49 10/21/2023 16:58:13 -69.85, 101.62 99.49 3.19 1
11 10/21/2023 17:48:55 69.58, -90.60 80.26 10/21/2023 17:47:42 69.63, -91.04 80.31 17.77 73
12 10/24/2023 08:24:24 69.94, 50.01 81.54 10/24/2023 08:25:11 69.95, 50.02 81.55 1.17 47
13 10/24/2023 09:15:06 -69.84,-142.52 98.55 10/24/2023 09:14:41 -69.85,-142.49 98.54 1.68 25

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/11/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231011.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/11/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9