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: 4/9/2023
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 13:51:02 -70.91, 147.36 117.10 04/10/2023 13:52:10 -70.84, 149.35 117.23 72.71 68
2 04/10/2023 14:41:33 70.12, -44.05 62.07 04/10/2023 14:41:48 70.14, -44.05 62.08 2.17 15
3 04/10/2023 15:32:15 -70.02, 123.41 118.05 04/10/2023 15:31:18 -70.02, 123.42 118.05 0.69 57
4 04/13/2023 06:07:46 -70.21, -95.74 118.81 04/13/2023 06:08:48 -70.23, -95.67 118.80 3.44 62
5 04/13/2023 06:58:30 70.10, 71.74 61.06 04/13/2023 06:58:16 70.07, 71.75 61.03 3.31 14
6 04/13/2023 07:49:03 -69.53,-120.09 119.54 04/13/2023 07:47:53 -69.57,-121.31 119.46 47.47 70
7 04/15/2023 22:24:42 -70.15, 20.12 119.84 04/15/2023 22:25:16 -70.14, 20.08 119.86 1.84 34
8 04/15/2023 23:15:26 70.04,-172.41 60.04 04/15/2023 23:14:43 70.03,-172.42 60.03 1.37 43
9 04/18/2023 13:50:59 70.36, -31.75 59.44 04/18/2023 13:52:11 70.29, -31.45 59.36 13.69 72
10 04/18/2023 14:41:38 -70.10, 135.97 120.84 04/18/2023 14:41:42 -70.13, 135.95 120.82 3.13 4
11 04/18/2023 15:32:21 69.99, -56.56 59.04 04/18/2023 15:31:08 70.02, -56.56 59.07 2.69 73
12 04/21/2023 06:07:52 70.21, 84.25 58.36 04/21/2023 06:08:37 70.19, 84.30 58.33 2.98 45
13 04/21/2023 06:58:33 -70.06,-108.20 121.81 04/21/2023 06:58:07 -70.09,-108.22 121.79 3.15 26

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230410.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/09/2023 in txt file.

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