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: 9/27/2023
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 09/27/2023 16:07:48 -69.97, 114.15 108.43 09/27/2023 16:08:30 -69.94, 114.15 108.46 3.37 42
2 09/27/2023 16:58:32 69.84, -78.35 71.46 09/27/2023 16:57:57 69.83, -78.36 71.45 0.97 35
3 09/30/2023 07:34:09 70.55, 61.71 73.20 09/30/2023 07:35:18 70.43, 63.11 73.06 53.99 69
4 09/30/2023 08:24:41 -69.94,-130.03 107.42 09/30/2023 08:24:55 -69.93,-129.97 107.43 2.53 14
5 09/30/2023 09:15:25 69.81, 37.46 72.48 09/30/2023 09:14:22 69.82, 37.53 72.48 2.61 63
6 10/02/2023 23:50:53 70.00, 178.32 73.68 10/02/2023 23:51:51 69.99, 178.39 73.66 2.86 58
7 10/03/2023 00:41:34 -69.87, -14.15 106.45 10/03/2023 00:41:21 -69.88, -14.13 106.44 2.04 13
8 10/03/2023 01:32:07 69.16, 154.17 72.85 10/03/2023 01:30:58 69.22, 152.61 72.92 62.06 69
9 10/05/2023 16:07:46 69.95, -65.82 74.66 10/05/2023 16:08:16 69.95, -65.77 74.66 2.24 30
10 10/05/2023 16:58:27 -69.81, 101.71 105.48 10/05/2023 16:57:47 -69.79, 101.65 105.50 2.92 40
11 10/08/2023 07:34:00 -70.28,-117.87 104.00 10/08/2023 07:35:11 -70.16,-117.21 104.13 28.21 71
12 10/08/2023 08:24:38 69.86, 50.09 75.59 10/08/2023 08:24:41 69.87, 50.03 75.60 2.99 3
13 10/08/2023 09:15:20 -69.76,-142.45 104.50 10/08/2023 09:14:11 -69.77,-142.48 104.49 1.35 69
14 10/10/2023 23:50:46 -69.94, -1.56 103.34 10/10/2023 23:51:37 -69.93, -1.63 103.34 2.62 51
15 10/11/2023 00:41:30 69.83, 165.91 76.57 10/11/2023 00:41:04 69.81, 165.85 76.55 3.40 26

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230927.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/27/2023 in txt file.

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