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: 12/13/2023
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 12/13/2023 23:51:40 -69.92, -1.79 87.00 12/13/2023 23:52:20 -69.92, -1.82 87.00 1.24 40
2 12/14/2023 00:42:24 69.81, 165.69 92.90 12/14/2023 00:41:47 69.81, 165.68 92.90 0.72 37
3 12/16/2023 15:18:04 70.55, -54.32 93.80 12/16/2023 15:19:13 70.44, -52.83 93.66 56.86 69
4 12/16/2023 16:08:35 -69.88, 114.04 86.89 12/16/2023 16:08:51 -69.89, 114.02 86.88 1.89 16
5 12/16/2023 16:59:18 69.76, -78.48 93.00 12/16/2023 16:58:17 69.79, -78.48 93.02 2.37 61
6 12/19/2023 07:34:47 69.94, 62.41 93.26 12/19/2023 07:35:51 69.95, 62.35 93.27 2.94 64
7 12/19/2023 08:25:29 -69.84,-130.13 86.84 12/19/2023 08:25:21 -69.85,-130.17 86.83 1.63 8
8 12/19/2023 09:16:05 69.30, 37.96 92.62 12/19/2023 09:14:55 69.35, 36.80 92.69 45.62 70
9 12/21/2023 23:51:42 69.91, 178.22 93.27 12/21/2023 23:52:21 69.94, 178.20 93.29 3.36 39
10 12/22/2023 00:42:24 -69.81, -14.31 86.84 12/22/2023 00:41:51 -69.83, -14.31 86.81 2.74 33
11 12/24/2023 15:18:06 -70.67, 125.49 85.96 12/24/2023 15:19:14 -70.56, 127.34 86.12 69.37 68
12 12/24/2023 16:08:37 69.88, -65.97 93.23 12/24/2023 16:08:51 69.90, -65.97 93.24 1.59 14
13 12/24/2023 16:59:19 -69.78, 101.50 86.88 12/24/2023 16:58:21 -69.80, 101.52 86.87 1.78 58

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/13/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231213.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/13/2023 in txt file.

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