Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/19/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/20/2023 13:51:03 70.24, -31.53 50.17 05/20/2023 13:51:58 70.26, -31.53 50.18 2.36 55
2 05/20/2023 14:41:45 -70.16, 135.91 129.93 05/20/2023 14:41:28 -70.15, 135.94 129.95 2.35 17
3 05/20/2023 15:32:15 69.29, -55.49 49.18 05/20/2023 15:31:07 69.38, -57.47 49.31 77.94 68
4 05/23/2023 06:07:58 70.25, 84.24 49.64 05/23/2023 06:08:25 70.24, 84.32 49.62 3.24 27
5 05/23/2023 06:58:39 -70.11,-108.24 130.51 05/23/2023 06:57:55 -70.12,-108.21 130.50 1.13 44
6 05/25/2023 21:34:10 -70.48, 32.34 130.61 05/25/2023 21:35:22 -70.40, 32.80 130.71 19.36 72
7 05/25/2023 22:24:51 70.21,-159.92 49.10 05/25/2023 22:24:51 70.19,-159.87 49.08 2.78 0
8 05/25/2023 23:15:32 -70.07, 7.61 131.05 05/25/2023 23:14:21 -70.08, 7.61 131.04 0.76 71
9 05/28/2023 13:51:00 -70.23, 148.51 131.32 05/28/2023 13:51:51 -70.23, 148.44 131.33 2.90 51
10 05/28/2023 14:41:45 70.17, -44.08 48.61 05/28/2023 14:41:17 70.17, -44.00 48.62 3.03 28
11 05/28/2023 15:32:09 -69.13, 124.77 132.46 05/28/2023 15:31:03 -69.19, 122.29 132.35 98.32 66
12 05/31/2023 05:17:28 71.13, 95.51 49.22 05/31/2023 05:18:34 71.02, 97.87 49.05 85.97 66
13 05/31/2023 06:07:54 -70.20, -95.65 131.76 05/31/2023 06:08:17 -70.20, -95.72 131.76 2.49 23
14 05/31/2023 06:58:38 70.09, 71.83 48.12 05/31/2023 06:57:44 70.09, 71.76 48.13 2.62 54

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230519.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/19/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9