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: 9/17/2023
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 09/19/2023 16:07:50 69.97, -65.84 68.48 09/19/2023 16:08:33 69.98, -65.82 68.48 1.40 43
2 09/19/2023 16:58:31 -69.84, 101.67 111.65 09/19/2023 16:58:03 -69.87, 101.66 111.62 3.36 28
3 09/22/2023 07:34:15 -70.81,-118.71 109.64 09/22/2023 07:35:22 -70.75,-116.44 109.73 83.35 67
4 09/22/2023 08:24:45 69.95, 49.95 69.50 09/22/2023 08:25:02 69.93, 50.01 69.48 2.91 17
5 09/22/2023 09:15:26 -69.82,-142.53 110.63 09/22/2023 09:14:32 -69.83,-142.51 110.62 1.50 54
6 09/24/2023 23:50:54 -70.01, -1.68 109.42 09/24/2023 23:52:02 -70.03, -1.62 109.41 3.13 68
7 09/25/2023 00:41:38 69.89, 165.81 70.47 09/25/2023 00:41:30 69.86, 165.79 70.44 3.37 8
8 09/25/2023 01:32:15 -69.54, -26.36 109.87 09/25/2023 01:31:03 -69.59, -26.94 109.82 23.42 72
9 09/27/2023 16:07:48 -69.95, 114.17 108.44 09/27/2023 16:08:30 -69.98, 114.21 108.42 3.12 42
10 09/27/2023 16:58:32 69.84, -78.35 71.46 09/27/2023 16:57:57 69.86, -78.31 71.49 3.14 35
11 09/30/2023 07:34:11 70.58, 61.64 73.23 09/30/2023 07:35:20 70.44, 63.13 73.07 57.39 69
12 09/30/2023 08:24:42 -69.91,-129.99 107.45 09/30/2023 08:24:58 -69.90,-130.01 107.46 1.30 16
13 09/30/2023 09:15:26 69.80, 37.49 72.46 09/30/2023 09:14:25 69.78, 37.47 72.44 1.93 61

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/17/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230917.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/17/2023 in txt file.

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