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: 7/13/2023
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 07/15/2023 13:51:15 -70.21, 148.56 131.30 07/15/2023 13:52:03 -70.23, 148.54 131.30 1.84 48
2 07/15/2023 14:41:59 70.10, -43.96 48.59 07/15/2023 14:41:30 70.13, -43.96 48.62 3.37 29
3 07/18/2023 05:17:44 71.10, 95.56 50.09 07/18/2023 05:18:50 71.01, 97.97 49.90 87.77 66
4 07/18/2023 06:08:10 -70.17, -95.61 130.91 07/18/2023 06:08:33 -70.19, -95.63 130.89 2.68 23
5 07/18/2023 06:58:54 70.06, 71.87 48.99 07/18/2023 06:58:00 70.09, 71.86 49.03 3.22 54
6 07/20/2023 21:34:23 70.23,-147.25 49.64 07/20/2023 21:35:33 70.23,-147.32 49.64 2.61 70
7 07/20/2023 22:25:05 -70.12, 20.22 130.46 07/20/2023 22:25:03 -70.12, 20.16 130.46 2.43 2
8 07/20/2023 23:15:45 69.81,-171.99 49.22 07/20/2023 23:14:33 69.85,-172.58 49.29 23.12 72
9 07/23/2023 13:51:17 70.19, -31.43 50.14 07/23/2023 13:52:01 70.19, -31.48 50.13 1.92 44
10 07/23/2023 14:41:59 -70.09, 136.04 129.97 07/23/2023 14:41:31 -70.09, 135.99 129.96 1.87 28
11 07/26/2023 05:17:43 -71.04, -84.35 128.40 07/26/2023 05:18:50 -70.95, -82.10 128.59 82.12 67
12 07/26/2023 06:08:12 70.16, 84.38 50.67 07/26/2023 06:08:29 70.19, 84.39 50.69 2.88 17
13 07/26/2023 06:58:54 -70.05,-108.14 129.44 07/26/2023 06:57:59 -70.08,-108.12 129.40 3.30 55

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230714.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/13/2023 in txt file.

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