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: 9/18/2023
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, -95.74 111.03 09/20/2023 06:09:01 -70.21, -95.62 111.07 6.08 72
2 09/20/2023 06:58:32 70.07, 71.83 68.81 09/20/2023 06:58:29 70.05, 71.80 68.79 2.51 3
3 09/20/2023 07:49:12 -69.89,-120.57 111.37 09/20/2023 07:47:59 -69.94,-120.73 111.31 8.49 73
4 09/22/2023 22:24:39 -70.16, 20.17 110.08 09/22/2023 22:25:29 -70.15, 20.18 110.09 1.25 50
5 09/22/2023 23:15:23 70.04,-172.34 69.82 09/22/2023 23:14:56 70.04,-172.33 69.82 0.68 27
6 09/23/2023 00:05:48 -69.06, -3.60 111.17 09/23/2023 00:04:41 -69.11, -5.96 111.09 93.80 67
7 09/25/2023 14:41:30 -70.08, 136.06 109.11 09/25/2023 14:41:57 -70.11, 136.01 109.09 3.21 27
8 09/25/2023 15:32:15 70.02, -56.53 70.84 09/25/2023 15:31:24 70.00, -56.50 70.82 2.88 51
9 09/28/2023 06:07:42 70.26, 84.25 72.10 09/28/2023 06:08:53 70.24, 84.46 72.07 8.48 71
10 09/28/2023 06:58:22 -70.07,-108.14 108.09 09/28/2023 06:58:24 -70.08,-108.13 108.08 1.36 2
11 09/28/2023 07:49:05 69.90, 59.42 71.76 09/28/2023 07:47:52 69.91, 59.27 71.77 5.83 73
12 09/30/2023 22:24:32 70.15,-159.80 73.03 09/30/2023 22:25:20 70.17,-159.73 73.05 3.48 48
13 09/30/2023 23:15:13 -70.01, 7.73 107.11 09/30/2023 23:14:51 -70.02, 7.68 107.10 2.16 22

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230918.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/18/2023 in txt file.

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