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: 10/6/2023
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 69.93, 49.98 75.66 10/08/2023 08:25:06 69.90, 49.95 75.63 3.38 27
2 10/08/2023 09:15:20 -69.79,-142.49 104.47 10/08/2023 09:14:36 -69.79,-142.56 104.47 2.68 44
3 10/10/2023 23:50:53 -70.28, -2.09 102.98 10/10/2023 23:52:05 -70.18, -1.41 103.09 28.14 72
4 10/11/2023 00:41:32 69.91, 165.79 76.65 10/11/2023 00:41:35 69.91, 165.85 76.65 2.11 3
5 10/11/2023 01:32:13 -69.77, -26.68 103.48 10/11/2023 01:31:06 -69.75, -26.74 103.50 3.09 67
6 10/13/2023 16:07:40 -69.96, 114.18 102.31 10/13/2023 16:08:37 -69.98, 114.19 102.28 2.88 57
7 10/13/2023 16:58:24 69.85, -78.34 77.60 10/13/2023 16:58:04 69.87, -78.32 77.62 2.72 20
8 10/13/2023 17:48:54 -69.12, 90.02 103.12 10/13/2023 17:47:45 -69.16, 88.36 103.08 66.18 69
9 10/16/2023 08:24:31 -69.91,-129.96 101.36 10/16/2023 08:25:05 -69.90,-130.03 101.37 2.76 34
10 10/16/2023 09:15:15 69.80, 37.50 78.55 10/16/2023 09:14:32 69.79, 37.45 78.53 2.84 43
11 10/18/2023 23:50:47 70.30, 177.91 79.99 10/18/2023 23:51:58 70.20, 178.66 79.90 29.92 71
12 10/19/2023 00:41:23 -69.88, -14.14 100.42 10/19/2023 00:41:32 -69.88, -14.17 100.42 1.26 9
13 10/19/2023 01:32:07 69.78, 153.32 79.50 10/19/2023 01:30:59 69.76, 153.31 79.48 1.48 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/6/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231006.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/06/2023 in txt file.

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