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: 10/7/2023
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 10/08/2023 08:24:39 69.90, 50.03 75.63 10/08/2023 08:25:06 69.93, 49.99 75.65 3.21 27
2 10/08/2023 09:15:21 -69.82,-142.53 104.45 10/08/2023 09:14:36 -69.82,-142.53 104.45 0.18 45
3 10/10/2023 23:50:53 -70.31, -2.13 102.96 10/10/2023 23:52:04 -70.20, -1.38 103.07 30.80 71
4 10/11/2023 00:41:31 69.88, 165.83 76.62 10/11/2023 00:41:35 69.88, 165.80 76.62 1.28 4
5 10/11/2023 01:32:13 -69.79, -26.72 103.46 10/11/2023 01:31:05 -69.77, -26.71 103.48 2.55 68
6 10/13/2023 16:07:40 -69.98, 114.14 102.28 10/13/2023 16:08:36 -70.00, 114.21 102.27 3.03 56
7 10/13/2023 16:58:23 69.82, -78.30 77.57 10/13/2023 16:58:04 69.83, -78.37 77.58 3.12 19
8 10/13/2023 17:48:53 -69.09, 90.06 103.15 10/13/2023 17:47:44 -69.18, 88.38 103.07 67.38 69
9 10/16/2023 08:24:32 -69.94,-130.00 101.34 10/16/2023 08:25:05 -69.91,-130.02 101.37 3.41 33
10 10/16/2023 09:15:16 69.83, 37.46 78.57 10/16/2023 09:14:31 69.85, 37.54 78.59 3.37 45
11 10/18/2023 23:50:47 70.27, 177.95 79.97 10/18/2023 23:51:58 70.20, 178.65 79.89 27.45 71
12 10/19/2023 00:41:24 -69.90, -14.18 100.39 10/19/2023 00:41:32 -69.88, -14.17 100.42 3.22 8
13 10/19/2023 01:32:07 69.75, 153.36 79.47 10/19/2023 01:30:59 69.76, 153.31 79.48 2.40 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231007.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/07/2023 in txt file.

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