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: 9/1/2023
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 09/03/2023 16:07:46 70.01, -65.87 62.47 09/03/2023 16:08:25 69.99, -65.79 62.45 3.57 39
2 09/03/2023 16:58:27 -69.87, 101.65 117.66 09/03/2023 16:57:55 -69.88, 101.69 117.65 1.28 32
3 09/06/2023 07:34:10 -70.74,-118.57 115.79 09/06/2023 07:35:18 -70.61,-116.65 115.98 72.17 68
4 09/06/2023 08:24:41 69.94, 50.00 63.39 09/06/2023 08:24:55 69.95, 50.04 63.40 2.40 14
5 09/06/2023 09:15:22 -69.80,-142.48 116.75 09/06/2023 09:14:26 -69.79,-142.55 116.75 2.98 56
6 09/08/2023 23:50:52 -69.99, -1.63 115.57 09/08/2023 23:51:58 -70.01, -1.64 115.57 1.69 66
7 09/09/2023 00:41:36 69.87, 165.86 64.32 09/09/2023 00:41:25 69.90, 165.85 64.34 2.71 11
8 09/09/2023 01:32:12 -69.47, -26.23 116.09 09/09/2023 01:31:00 -69.52, -27.04 116.02 31.99 72
9 09/11/2023 16:07:48 -69.99, 114.15 114.57 09/11/2023 16:08:27 -69.99, 114.21 114.58 2.65 39
10 09/11/2023 16:58:32 69.87, -78.37 65.32 09/11/2023 16:57:54 69.87, -78.30 65.32 2.53 38
11 09/14/2023 07:34:09 70.50, 61.79 66.97 09/14/2023 07:35:19 70.37, 63.02 66.81 47.91 70
12 09/14/2023 08:24:42 -69.93,-130.01 113.61 09/14/2023 08:24:55 -69.94,-129.96 113.61 2.03 13
13 09/14/2023 09:15:26 69.82, 37.47 66.29 09/14/2023 09:14:22 69.82, 37.52 66.29 1.83 64

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230901.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/01/2023 in txt file.

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