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: 10/26/2023
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 10/26/2023 23:51:00 -70.21, -2.02 97.29 10/26/2023 23:52:11 -70.13, -1.50 97.37 21.42 71
2 10/27/2023 00:41:40 69.87, 165.79 82.39 10/27/2023 00:41:41 69.86, 165.77 82.38 1.45 1
3 10/27/2023 01:32:21 -69.73, -26.68 97.74 10/27/2023 01:31:11 -69.75, -26.76 97.73 3.65 70
4 10/29/2023 16:07:55 -69.95, 114.12 96.65 10/29/2023 16:08:42 -69.93, 114.11 96.67 1.86 47
5 10/29/2023 16:58:39 69.83, -78.39 83.25 10/29/2023 16:58:09 69.82, -78.39 83.24 0.48 30
6 11/01/2023 07:34:21 70.53, 61.64 84.81 11/01/2023 07:35:30 70.47, 63.14 84.74 56.10 69
7 11/01/2023 08:24:53 -69.91,-130.07 95.82 11/01/2023 08:25:08 -69.92,-130.01 95.81 2.55 15
8 11/01/2023 09:15:37 69.79, 37.41 84.08 11/01/2023 09:14:35 69.81, 37.48 84.10 3.36 62
9 11/03/2023 23:51:09 69.93, 178.34 85.04 11/03/2023 23:52:06 69.94, 178.27 85.05 3.02 57
10 11/04/2023 00:41:51 -69.82, -14.19 95.06 11/04/2023 00:41:36 -69.83, -14.25 95.06 2.47 15
11 11/04/2023 01:32:22 69.02, 154.27 84.16 11/04/2023 01:31:14 69.11, 152.43 84.24 73.73 68
12 11/06/2023 16:08:08 69.91, -65.88 85.84 11/06/2023 16:08:32 69.92, -65.86 85.85 1.63 24
13 11/06/2023 16:58:50 -69.80, 101.60 94.27 11/06/2023 16:58:02 -69.81, 101.63 94.25 1.88 48

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/26/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231026.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/26/2023 in txt file.

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