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: 10/22/2023
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 10/24/2023 08:24:41 69.92, 49.98 81.52 10/24/2023 08:25:12 69.94, 49.99 81.53 2.08 31
2 10/24/2023 09:15:23 -69.83,-142.57 98.57 10/24/2023 09:14:42 -69.82,-142.54 98.57 1.28 41
3 10/26/2023 23:51:00 -70.19, -2.00 97.30 10/26/2023 23:52:11 -70.14, -1.48 97.36 20.49 71
4 10/27/2023 00:41:40 69.87, 165.80 82.39 10/27/2023 00:41:41 69.87, 165.78 82.39 0.97 1
5 10/27/2023 01:32:22 -69.77, -26.74 97.70 10/27/2023 01:31:11 -69.76, -26.74 97.72 1.50 71
6 10/29/2023 16:07:54 -69.94, 114.14 96.66 10/29/2023 16:08:41 -69.93, 114.11 96.67 1.68 47
7 10/29/2023 16:58:38 69.83, -78.39 83.24 10/29/2023 16:58:08 69.82, -78.40 83.23 1.22 30
8 11/01/2023 07:34:21 70.54, 61.64 84.81 11/01/2023 07:35:30 70.44, 63.11 84.72 55.52 69
9 11/01/2023 08:24:53 -69.91,-130.06 95.82 11/01/2023 08:25:08 -69.90,-130.04 95.83 1.11 15
10 11/01/2023 09:15:37 69.80, 37.41 84.09 11/01/2023 09:14:35 69.78, 37.45 84.07 2.02 62
11 11/03/2023 23:51:09 69.94, 178.32 85.05 11/03/2023 23:52:05 69.94, 178.28 85.05 1.79 56
12 11/04/2023 00:41:51 -69.83, -14.20 95.05 11/04/2023 00:41:35 -69.83, -14.24 95.05 1.45 16
13 11/04/2023 01:32:22 69.03, 154.25 84.17 11/04/2023 01:31:14 69.05, 152.37 84.18 75.07 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/22/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231022.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/22/2023 in txt file.

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