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: 10/12/2023
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 10/13/2023 16:07:40 -69.99, 114.13 102.27 10/13/2023 16:08:42 -70.00, 114.19 102.27 2.10 62
2 10/13/2023 16:58:24 69.87, -78.38 77.63 10/13/2023 16:58:09 69.89, -78.31 77.64 3.41 15
3 10/13/2023 17:48:57 -69.31, 89.75 102.93 10/13/2023 17:47:46 -69.40, 88.64 102.84 44.38 71
4 10/16/2023 08:24:32 -69.95,-130.02 101.33 10/16/2023 08:25:13 -69.97,-129.98 101.31 2.99 41
5 10/16/2023 09:15:16 69.83, 37.46 78.58 10/16/2023 09:14:41 69.81, 37.44 78.55 2.81 35
6 10/18/2023 23:50:55 70.70, 177.27 80.40 10/18/2023 23:52:03 70.60, 179.19 80.30 71.54 68
7 10/19/2023 00:41:24 -69.92, -14.20 100.38 10/19/2023 00:41:44 -69.89, -14.20 100.41 2.90 20
8 10/19/2023 01:32:08 69.81, 153.28 79.53 10/19/2023 01:31:11 69.78, 153.29 79.50 2.91 57
9 10/21/2023 16:07:33 70.00, -65.86 80.66 10/21/2023 16:08:42 69.98, -65.83 80.63 2.77 69
10 10/21/2023 16:58:14 -69.85, 101.69 99.49 10/21/2023 16:58:12 -69.87, 101.65 99.47 2.72 2
11 10/21/2023 17:48:54 69.53, -90.54 80.21 10/21/2023 17:47:42 69.59, -91.08 80.27 22.30 72
12 10/24/2023 08:24:24 69.95, 50.00 81.55 10/24/2023 08:25:10 69.96, 50.03 81.56 1.40 46
13 10/24/2023 09:15:06 -69.85,-142.53 98.54 10/24/2023 09:14:40 -69.86,-142.48 98.54 2.10 26

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/12/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231013.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/12/2023 in txt file.

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