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: 10/27/2023
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 10/29/2023 16:07:55 -69.95, 114.12 96.65 10/29/2023 16:08:42 -69.92, 114.10 96.68 2.88 47
2 10/29/2023 16:58:39 69.83, -78.39 83.25 10/29/2023 16:58:09 69.82, -78.40 83.24 1.05 30
3 11/01/2023 07:34:21 70.54, 61.64 84.81 11/01/2023 07:35:30 70.46, 63.12 84.73 55.75 69
4 11/01/2023 08:24:53 -69.91,-130.07 95.81 11/01/2023 08:25:08 -69.90,-130.04 95.82 1.56 15
5 11/01/2023 09:15:37 69.80, 37.41 84.09 11/01/2023 09:14:35 69.80, 37.46 84.08 1.97 62
6 11/03/2023 23:51:09 69.93, 178.33 85.05 11/03/2023 23:52:05 69.96, 178.31 85.07 3.31 56
7 11/04/2023 00:41:51 -69.83, -14.20 95.05 11/04/2023 00:41:35 -69.85, -14.22 95.03 2.20 16
8 11/04/2023 01:32:22 69.03, 154.26 84.17 11/04/2023 01:31:14 69.08, 152.39 84.21 74.39 68
9 11/06/2023 16:08:08 69.92, -65.90 85.85 11/06/2023 16:08:31 69.93, -65.84 85.86 2.30 23
10 11/06/2023 16:58:50 -69.82, 101.57 94.25 11/06/2023 16:58:01 -69.82, 101.64 94.25 2.53 49
11 11/09/2023 07:34:22 -69.97,-117.53 93.33 11/09/2023 07:35:30 -69.98,-117.52 93.33 1.12 68
12 11/09/2023 08:25:06 69.87, 49.94 86.58 11/09/2023 08:24:57 69.86, 49.96 86.57 1.06 9
13 11/09/2023 09:15:43 -69.49,-142.20 93.79 11/09/2023 09:14:31 -69.54,-142.85 93.75 25.81 72

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231028.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/27/2023 in txt file.

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