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: 4/14/2023
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 04/15/2023 22:24:41 -70.13, 20.15 119.87 04/15/2023 22:25:15 -70.15, 20.10 119.85 3.26 34
2 04/15/2023 23:15:26 70.07,-172.44 60.06 04/15/2023 23:14:42 70.05,-172.40 60.05 2.34 44
3 04/18/2023 13:50:59 70.39, -31.79 59.47 04/18/2023 13:52:10 70.30, -31.44 59.36 16.52 71
4 04/18/2023 14:41:38 -70.13, 135.92 120.81 04/18/2023 14:41:41 -70.12, 135.95 120.82 1.43 3
5 04/18/2023 15:32:21 69.97, -56.52 59.01 04/18/2023 15:31:09 69.96, -56.63 59.01 4.42 72
6 04/21/2023 06:07:52 70.19, 84.29 58.34 04/21/2023 06:08:37 70.17, 84.27 58.31 1.81 45
7 04/21/2023 06:58:34 -70.09,-108.25 121.78 04/21/2023 06:58:07 -70.06,-108.25 121.81 3.66 27
8 04/23/2023 21:34:15 -70.89, 31.61 121.82 04/23/2023 21:35:24 -70.78, 33.42 121.99 67.25 69
9 04/23/2023 22:24:47 70.16,-159.90 57.40 04/23/2023 22:25:00 70.18,-159.83 57.42 3.45 13
10 04/23/2023 23:15:28 -70.01, 7.65 122.77 04/23/2023 23:14:31 -70.01, 7.57 122.76 2.99 57
11 04/26/2023 13:50:58 -70.19, 148.51 123.43 04/26/2023 13:51:58 -70.21, 148.47 123.42 2.32 60
12 04/26/2023 14:41:42 70.09, -44.01 56.45 04/26/2023 14:41:25 70.09, -44.05 56.46 1.67 17

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230415.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/14/2023 in txt file.

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