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: 9/19/2023
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 09/20/2023 06:07:49 -70.25, -95.75 111.02 09/20/2023 06:09:01 -70.21, -95.62 111.07 6.46 72
2 09/20/2023 06:58:32 70.07, 71.83 68.82 09/20/2023 06:58:29 70.05, 71.80 68.79 2.49 3
3 09/20/2023 07:49:12 -69.89,-120.57 111.36 09/20/2023 07:47:59 -69.94,-120.73 111.31 8.12 73
4 09/22/2023 22:24:39 -70.16, 20.16 110.07 09/22/2023 22:25:29 -70.16, 20.19 110.08 1.25 50
5 09/22/2023 23:15:23 70.04,-172.35 69.82 09/22/2023 23:14:56 70.05,-172.32 69.83 1.54 27
6 09/23/2023 00:05:48 -69.06, -3.61 111.16 09/23/2023 00:04:41 -69.12, -5.95 111.08 93.32 67
7 09/25/2023 14:41:31 -70.14, 135.98 109.06 09/25/2023 14:41:57 -70.12, 136.03 109.07 2.62 26
8 09/25/2023 15:32:15 70.02, -56.53 70.84 09/25/2023 15:31:24 70.01, -56.48 70.83 2.21 51
9 09/28/2023 06:07:42 70.26, 84.25 72.10 09/28/2023 06:08:54 70.22, 84.43 72.05 8.36 72
10 09/28/2023 06:58:22 -70.07,-108.14 108.09 09/28/2023 06:58:25 -70.06,-108.17 108.10 1.94 3
11 09/28/2023 07:49:05 69.90, 59.43 71.76 09/28/2023 07:47:52 69.94, 59.31 71.80 6.19 73
12 09/30/2023 22:24:32 70.15,-159.80 73.03 09/30/2023 22:25:21 70.16,-159.75 73.04 2.26 49
13 09/30/2023 23:15:13 -70.01, 7.73 107.11 09/30/2023 23:14:52 -70.01, 7.66 107.11 2.88 21

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230919.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/19/2023 in txt file.

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