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 71.13, 95.52 50.11 07/18/2023 05:18:50 70.99, 97.94 49.88 88.57 66
2 07/18/2023 06:08:10 -70.19, -95.64 130.88 07/18/2023 06:08:33 -70.17, -95.67 130.91 2.93 23
3 07/18/2023 06:58:54 70.08, 71.83 49.01 07/18/2023 06:58:00 70.07, 71.84 49.01 1.42 54
4 07/20/2023 21:34:23 70.25,-147.29 49.67 07/20/2023 21:35:32 70.27,-147.27 49.67 2.36 69
5 07/20/2023 22:25:05 -70.15, 20.18 130.43 07/20/2023 22:25:02 -70.15, 20.20 130.43 1.02 3
6 07/20/2023 23:15:45 69.83,-172.02 49.24 07/20/2023 23:14:32 69.89,-172.53 49.33 20.40 73
7 07/23/2023 13:51:18 70.22, -31.47 50.16 07/23/2023 13:52:01 70.23, -31.43 50.17 2.15 43
8 07/23/2023 14:42:00 -70.11, 136.00 129.94 07/23/2023 14:41:31 -70.12, 136.04 129.93 1.65 29
9 07/26/2023 05:17:44 -71.07, -84.40 128.37 07/26/2023 05:18:51 -70.93, -82.14 128.61 83.50 67
10 07/26/2023 06:08:13 70.19, 84.34 50.70 07/26/2023 06:08:30 70.17, 84.37 50.68 2.65 17
11 07/26/2023 06:58:55 -70.08,-108.18 129.41 07/26/2023 06:58:00 -70.06,-108.15 129.42 2.74 55
12 07/28/2023 21:34:23 -70.26, 32.68 128.62 07/28/2023 21:35:30 -70.25, 32.73 128.65 2.57 67
13 07/28/2023 22:25:06 70.11,-159.78 51.23 07/28/2023 22:24:57 70.13,-159.79 51.25 2.32 9
14 07/28/2023 23:15:43 -69.74, 8.09 129.16 07/28/2023 23:14:31 -69.81, 7.39 129.05 28.20 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/16/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230716.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