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: 7/16/2023
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 07/18/2023 05:17:44 71.09, 95.59 50.07 07/18/2023 05:18:51 70.98, 97.92 49.87 85.15 67
2 07/18/2023 06:08:11 -70.20, -95.67 130.87 07/18/2023 06:08:33 -70.21, -95.61 130.87 2.20 22
3 07/18/2023 06:58:54 70.04, 71.90 48.97 07/18/2023 06:58:01 70.05, 71.82 48.99 3.35 53
4 07/20/2023 21:34:23 70.26,-147.31 49.68 07/20/2023 21:35:32 70.26,-147.28 49.66 1.05 69
5 07/20/2023 22:25:05 -70.16, 20.16 130.42 07/20/2023 22:25:02 -70.14, 20.19 130.44 2.37 3
6 07/20/2023 23:15:44 69.79,-171.97 49.20 07/20/2023 23:14:32 69.88,-172.55 49.32 24.22 72
7 07/23/2023 13:51:18 70.23, -31.49 50.18 07/23/2023 13:52:01 70.22, -31.45 50.16 1.97 43
8 07/23/2023 14:42:00 -70.13, 135.98 129.93 07/23/2023 14:41:31 -70.11, 136.03 129.94 2.56 29
9 07/26/2023 05:17:43 -71.03, -84.34 128.41 07/26/2023 05:18:50 -70.98, -82.06 128.56 82.57 67
10 07/26/2023 06:08:12 70.15, 84.40 50.66 07/26/2023 06:08:30 70.16, 84.36 50.67 1.89 18
11 07/26/2023 06:58:54 -70.04,-108.13 129.45 07/26/2023 06:58:00 -70.05,-108.16 129.43 1.72 54
12 07/28/2023 21:34:23 -70.22, 32.74 128.66 07/28/2023 21:35:31 -70.24, 32.72 128.66 2.09 68
13 07/28/2023 22:25:07 70.13,-159.81 51.25 07/28/2023 22:24:58 70.13,-159.79 51.25 0.59 9
14 07/28/2023 23:15:44 -69.75, 8.07 129.14 07/28/2023 23:14:32 -69.81, 7.38 129.05 27.08 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230717.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/16/2023 in txt file.

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