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: 10/23/2023
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 69.91, 49.98 81.51 10/24/2023 08:25:12 69.94, 49.99 81.54 3.35 31
2 10/24/2023 09:15:23 -69.82,-142.56 98.57 10/24/2023 09:14:42 -69.83,-142.53 98.57 1.38 41
3 10/26/2023 23:51:00 -70.19, -2.00 97.31 10/26/2023 23:52:12 -70.09, -1.56 97.41 20.19 72
4 10/27/2023 00:41:40 69.86, 165.81 82.38 10/27/2023 00:41:41 69.87, 165.78 82.39 1.39 1
5 10/27/2023 01:32:22 -69.77, -26.73 97.71 10/27/2023 01:31:11 -69.76, -26.74 97.72 0.96 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 1.75 47
7 10/29/2023 16:58:38 69.83, -78.38 83.24 10/29/2023 16:58:08 69.82, -78.40 83.23 1.09 30
8 11/01/2023 07:34:21 70.54, 61.64 84.81 11/01/2023 07:35:30 70.44, 63.11 84.71 55.67 69
9 11/01/2023 08:24:53 -69.91,-130.07 95.82 11/01/2023 08:25:08 -69.90,-130.05 95.83 1.79 15
10 11/01/2023 09:15:37 69.80, 37.40 84.09 11/01/2023 09:14:35 69.78, 37.44 84.07 2.49 62
11 11/03/2023 23:51:09 69.95, 178.31 85.06 11/03/2023 23:52:05 69.93, 178.27 85.04 2.27 56
12 11/04/2023 00:41:51 -69.84, -14.21 95.04 11/04/2023 00:41:35 -69.83, -14.24 95.06 1.91 16
13 11/04/2023 01:32:22 69.04, 154.24 84.18 11/04/2023 01:31:14 69.05, 152.36 84.18 74.87 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/23/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231023.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/23/2023 in txt file.

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