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: 4/8/2023
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 04/10/2023 13:51:03 -70.93, 147.33 117.08 04/10/2023 13:52:11 -70.82, 149.32 117.25 73.34 68
2 04/10/2023 14:41:34 70.14, -44.08 62.09 04/10/2023 14:41:49 70.12, -44.08 62.06 2.43 15
3 04/10/2023 15:32:15 -69.99, 123.46 118.09 04/10/2023 15:31:19 -70.00, 123.40 118.07 2.76 56
4 04/13/2023 06:07:46 -70.23, -95.77 118.79 04/13/2023 06:08:48 -70.21, -95.70 118.82 3.34 62
5 04/13/2023 06:58:29 70.07, 71.79 61.03 04/13/2023 06:58:16 70.05, 71.72 61.01 3.29 13
6 04/13/2023 07:49:03 -69.55,-120.12 119.53 04/13/2023 07:47:52 -69.61,-121.26 119.43 44.91 71
7 04/15/2023 22:24:42 -70.17, 20.10 119.83 04/15/2023 22:25:15 -70.18, 20.13 119.83 1.75 33
8 04/15/2023 23:15:26 70.06,-172.43 60.05 04/15/2023 23:14:42 70.07,-172.38 60.06 2.13 44
9 04/18/2023 13:50:59 70.37, -31.77 59.45 04/18/2023 13:52:10 70.33, -31.40 59.39 14.81 71
10 04/18/2023 14:41:38 -70.11, 135.95 120.83 04/18/2023 14:41:42 -70.11, 135.92 120.84 1.11 4
11 04/18/2023 15:32:22 70.00, -56.58 59.05 04/18/2023 15:31:09 70.00, -56.59 59.04 1.15 73
12 04/21/2023 06:07:52 70.17, 84.32 58.31 04/21/2023 06:08:38 70.17, 84.27 58.31 2.04 46
13 04/21/2023 06:58:34 -70.06,-108.21 121.81 04/21/2023 06:58:08 -70.06,-108.25 121.81 1.73 26

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230409.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/08/2023 in txt file.

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