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: 10/12/2023
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 -70.00, 114.12 102.26 10/13/2023 16:08:42 -69.99, 114.17 102.28 2.67 62
2 10/13/2023 16:58:24 69.88, -78.40 77.64 10/13/2023 16:58:09 69.88, -78.33 77.63 2.68 15
3 10/13/2023 17:48:57 -69.32, 89.74 102.92 10/13/2023 17:47:46 -69.39, 88.63 102.85 44.00 71
4 10/16/2023 08:24:32 -69.96,-130.04 101.32 10/16/2023 08:25:13 -69.96,-129.99 101.32 1.79 41
5 10/16/2023 09:15:16 69.84, 37.44 78.59 10/16/2023 09:14:40 69.85, 37.51 78.59 2.65 36
6 10/18/2023 23:50:55 70.71, 177.25 80.41 10/18/2023 23:52:03 70.59, 179.17 80.29 72.17 68
7 10/19/2023 00:41:24 -69.93, -14.21 100.37 10/19/2023 00:41:43 -69.94, -14.14 100.36 2.84 19
8 10/19/2023 01:32:07 69.77, 153.34 79.49 10/19/2023 01:31:11 69.77, 153.27 79.49 2.44 56
9 10/21/2023 16:07:33 69.96, -65.80 80.62 10/21/2023 16:08:43 69.96, -65.85 80.62 1.91 70
10 10/21/2023 16:58:14 -69.87, 101.66 99.47 10/21/2023 16:58:12 -69.86, 101.64 99.48 1.11 2
11 10/21/2023 17:48:54 69.55, -90.56 80.23 10/21/2023 17:47:42 69.58, -91.10 80.26 21.25 72
12 10/24/2023 08:24:23 69.92, 50.05 81.52 10/24/2023 08:25:10 69.95, 50.01 81.54 3.21 47
13 10/24/2023 09:15:05 -69.82,-142.48 98.57 10/24/2023 09:14:40 -69.84,-142.50 98.55 2.94 25

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/12/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231012.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/12/2023 in txt file.

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