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: 10/1/2023
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 10/02/2023 23:50:53 69.99, 178.35 73.66 10/02/2023 23:52:04 70.00, 178.34 73.67 1.11 71
2 10/03/2023 00:41:35 -69.90, -14.21 106.41 10/03/2023 00:41:34 -69.89, -14.18 106.43 2.04 1
3 10/03/2023 01:32:16 69.62, 153.52 73.32 10/03/2023 01:31:03 69.67, 153.17 73.37 14.67 73
4 10/05/2023 16:07:47 69.98, -65.87 74.69 10/05/2023 16:08:36 69.95, -65.85 74.65 3.42 49
5 10/05/2023 16:58:28 -69.84, 101.66 105.45 10/05/2023 16:58:06 -69.85, 101.63 105.44 1.04 22
6 10/05/2023 17:48:55 68.82, -89.58 73.54 10/05/2023 17:47:49 68.85, -92.04 73.59 98.88 66
7 10/08/2023 08:24:39 69.93, 49.98 75.66 10/08/2023 08:25:06 69.92, 49.99 75.65 1.14 27
8 10/08/2023 09:15:21 -69.84,-142.57 104.42 10/08/2023 09:14:36 -69.82,-142.52 104.44 2.97 45
9 10/10/2023 23:50:54 -70.32, -2.15 102.95 10/10/2023 23:52:05 -70.25, -1.32 103.03 32.41 71
10 10/11/2023 00:41:32 69.90, 165.81 76.64 10/11/2023 00:41:36 69.92, 165.85 76.66 2.69 4
11 10/11/2023 01:32:13 -69.75, -26.66 103.50 10/11/2023 01:31:07 -69.76, -26.73 103.49 2.97 66
12 10/13/2023 16:07:41 -69.98, 114.15 102.29 10/13/2023 16:08:39 -69.99, 114.19 102.28 1.77 58
13 10/13/2023 16:58:25 69.87, -78.38 77.62 10/13/2023 16:58:06 69.87, -78.33 77.62 2.08 19
14 10/13/2023 17:48:56 -69.19, 89.92 103.05 10/13/2023 17:47:46 -69.22, 88.43 103.02 59.05 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231001.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/01/2023 in txt file.

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