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: 4/11/2023
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 04/13/2023 06:07:46 -70.21, -95.75 118.81 04/13/2023 06:08:48 -70.23, -95.68 118.81 2.93 62
2 04/13/2023 06:58:29 70.05, 71.82 61.01 04/13/2023 06:58:16 70.07, 71.74 61.03 3.66 13
3 04/13/2023 07:49:03 -69.53,-120.09 119.54 04/13/2023 07:47:52 -69.62,-121.24 119.42 45.68 71
4 04/15/2023 22:24:42 -70.15, 20.12 119.84 04/15/2023 22:25:16 -70.13, 20.07 119.87 3.15 34
5 04/15/2023 23:15:26 70.04,-172.40 60.03 04/15/2023 23:14:43 70.02,-172.44 60.02 2.60 43
6 04/18/2023 13:50:59 70.36, -31.75 59.44 04/18/2023 13:52:10 70.33, -31.39 59.39 13.85 71
7 04/18/2023 14:41:38 -70.10, 135.97 120.84 04/18/2023 14:41:42 -70.11, 135.93 120.84 1.77 4
8 04/18/2023 15:32:21 69.99, -56.56 59.04 04/18/2023 15:31:08 70.00, -56.58 59.05 1.26 73
9 04/21/2023 06:07:51 70.16, 84.33 58.31 04/21/2023 06:08:37 70.16, 84.26 58.31 2.75 46
10 04/21/2023 06:58:33 -70.06,-108.20 121.81 04/21/2023 06:58:07 -70.06,-108.26 121.81 2.36 26
11 04/23/2023 21:34:16 -70.91, 31.58 121.81 04/23/2023 21:35:24 -70.85, 33.52 121.92 70.81 68
12 04/23/2023 22:24:47 70.13,-159.85 57.37 04/23/2023 22:25:02 70.13,-159.90 57.37 1.91 15
13 04/23/2023 23:15:29 -70.02, 7.63 122.75 04/23/2023 23:14:32 -70.02, 7.59 122.75 1.47 57

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/11/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230411.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/11/2023 in txt file.

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