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: 7/9/2023
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 07/10/2023 05:17:43 -71.21, -84.59 131.02 07/10/2023 05:18:49 -71.06, -81.97 131.26 95.63 66
2 07/10/2023 06:08:10 70.20, 84.36 47.93 07/10/2023 06:08:30 70.20, 84.38 47.92 1.01 20
3 07/10/2023 06:58:52 -70.11,-108.19 132.17 07/10/2023 06:58:00 -70.09,-108.15 132.19 2.92 52
4 07/12/2023 21:34:21 -70.31, 32.64 131.60 07/12/2023 21:35:32 -70.31, 32.77 131.63 4.88 71
5 07/12/2023 22:25:04 70.15,-159.80 48.23 07/12/2023 22:25:00 70.15,-159.81 48.23 0.58 4
6 07/12/2023 23:15:44 -69.95, 7.82 131.98 07/12/2023 23:14:31 -69.98, 7.58 131.92 9.98 73
7 07/15/2023 13:51:15 -70.21, 148.56 131.31 07/15/2023 13:52:03 -70.24, 148.55 131.29 3.27 48
8 07/15/2023 14:41:59 70.10, -43.96 48.59 07/15/2023 14:41:30 70.13, -43.96 48.62 3.49 29
9 07/18/2023 05:17:44 71.10, 95.56 50.09 07/18/2023 05:18:50 71.01, 97.97 49.90 87.85 66
10 07/18/2023 06:08:11 -70.21, -95.68 130.86 07/18/2023 06:08:33 -70.20, -95.62 130.88 2.81 22
11 07/18/2023 06:58:54 70.06, 71.87 48.99 07/18/2023 06:58:00 70.09, 71.87 49.03 3.51 54
12 07/20/2023 21:34:23 70.23,-147.26 49.65 07/20/2023 21:35:33 70.24,-147.31 49.65 2.47 70
13 07/20/2023 22:25:05 -70.12, 20.23 130.47 07/20/2023 22:25:03 -70.14, 20.17 130.45 2.65 2
14 07/20/2023 23:15:45 69.81,-171.99 49.22 07/20/2023 23:14:33 69.86,-172.57 49.30 22.80 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230709.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/09/2023 in txt file.

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