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: 10/30/2023
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 11/01/2023 07:34:21 70.53, 61.65 84.80 11/01/2023 07:35:30 70.45, 63.12 84.72 55.17 69
2 11/01/2023 08:24:53 -69.91,-130.07 95.82 11/01/2023 08:25:08 -69.90,-130.05 95.83 1.42 15
3 11/01/2023 09:15:37 69.79, 37.42 84.08 11/01/2023 09:14:35 69.79, 37.45 84.08 1.44 62
4 11/03/2023 23:51:09 69.93, 178.33 85.05 11/03/2023 23:52:05 69.94, 178.27 85.05 2.40 56
5 11/04/2023 00:41:51 -69.83, -14.20 95.05 11/04/2023 00:41:35 -69.82, -14.25 95.06 2.21 16
6 11/04/2023 01:32:22 69.03, 154.26 84.16 11/04/2023 01:31:14 69.05, 152.36 84.18 75.66 68
7 11/06/2023 16:08:08 69.93, -65.90 85.85 11/06/2023 16:08:30 69.93, -65.84 85.86 2.50 22
8 11/06/2023 16:58:50 -69.82, 101.57 94.24 11/06/2023 16:58:00 -69.82, 101.64 94.25 2.86 50
9 11/09/2023 07:34:21 -69.98,-117.55 93.32 11/09/2023 07:35:27 -69.99,-117.49 93.31 2.34 66
10 11/09/2023 08:25:05 69.88, 49.92 86.59 11/09/2023 08:24:54 69.88, 49.99 86.59 2.79 11
11 11/09/2023 09:15:41 -69.45,-142.14 93.83 11/09/2023 09:14:29 -69.50,-142.90 93.79 29.89 72
12 11/11/2023 23:51:18 -69.89, -1.65 92.66 11/11/2023 23:51:52 -69.91, -1.71 92.65 2.87 34
13 11/12/2023 00:42:02 69.79, 165.81 87.25 11/12/2023 00:41:19 69.79, 165.77 87.25 1.38 43

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/30/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231030.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/30/2023 in txt file.

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