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: 10/3/2023
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 10/05/2023 16:07:46 69.95, -65.82 74.66 10/05/2023 16:08:35 69.98, -65.82 74.68 2.74 49
2 10/05/2023 16:58:28 -69.87, 101.62 105.42 10/05/2023 16:58:05 -69.87, 101.67 105.42 1.78 23
3 10/05/2023 17:48:54 68.79, -89.54 73.51 10/05/2023 17:47:48 68.88, -92.01 73.61 99.69 66
4 10/08/2023 08:24:39 69.91, 50.01 75.64 10/08/2023 08:25:06 69.94, 50.00 75.66 3.09 27
5 10/08/2023 09:15:21 -69.82,-142.54 104.44 10/08/2023 09:14:36 -69.83,-142.51 104.43 1.71 45
6 10/10/2023 23:50:54 -70.31, -2.13 102.96 10/10/2023 23:52:06 -70.19, -1.40 103.08 30.48 72
7 10/11/2023 00:41:32 69.88, 165.83 76.63 10/11/2023 00:41:37 69.86, 165.78 76.60 3.24 5
8 10/11/2023 01:32:13 -69.79, -26.72 103.46 10/11/2023 01:31:05 -69.81, -26.66 103.44 3.37 68
9 10/13/2023 16:07:40 -69.97, 114.16 102.29 10/13/2023 16:08:38 -69.97, 114.16 102.30 0.74 58
10 10/13/2023 16:58:24 69.87, -78.37 77.62 10/13/2023 16:58:05 69.85, -78.35 77.60 1.77 19
11 10/13/2023 17:48:54 -69.13, 90.00 103.11 10/13/2023 17:47:45 -69.20, 88.40 103.04 63.66 69
12 10/16/2023 08:24:32 -69.91,-129.97 101.36 10/16/2023 08:25:07 -69.92,-130.01 101.35 1.75 35
13 10/16/2023 09:15:16 69.81, 37.49 78.55 10/16/2023 09:14:34 69.80, 37.47 78.54 1.14 42

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/3/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231003.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/03/2023 in txt file.

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