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: 4/17/2023
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 04/18/2023 13:51:03 70.59, -32.11 59.68 04/18/2023 13:52:13 70.47, -31.22 59.53 35.79 70
2 04/18/2023 14:41:38 -70.13, 135.93 120.82 04/18/2023 14:41:47 -70.13, 135.93 120.82 0.66 9
3 04/18/2023 15:32:22 70.01, -56.58 59.05 04/18/2023 15:31:14 70.03, -56.57 59.08 2.43 68
4 04/21/2023 06:07:51 70.18, 84.29 58.33 04/21/2023 06:08:46 70.17, 84.23 58.31 2.93 55
5 04/21/2023 06:58:33 -70.09,-108.25 121.78 04/21/2023 06:58:15 -70.11,-108.22 121.76 2.74 18
6 04/21/2023 07:49:03 69.23, 60.32 57.33 04/21/2023 07:47:55 69.29, 58.30 57.44 80.02 68
7 04/23/2023 22:24:47 70.16,-159.90 57.40 04/23/2023 22:25:14 70.16,-159.91 57.40 0.52 27
8 04/23/2023 23:15:29 -70.07, 7.56 122.71 04/23/2023 23:14:44 -70.05, 7.57 122.72 1.83 45
9 04/26/2023 13:51:01 -70.36, 148.25 123.25 04/26/2023 13:52:13 -70.32, 148.56 123.31 12.64 72
10 04/26/2023 14:41:43 70.15, -44.11 56.52 04/26/2023 14:41:41 70.16, -44.03 56.52 3.00 2
11 04/26/2023 15:32:24 -70.00, 123.44 123.65 04/26/2023 15:31:12 -69.99, 123.37 123.65 2.53 72
12 04/29/2023 06:07:54 -70.20, -95.73 124.27 04/29/2023 06:08:41 -70.22, -95.70 124.26 2.46 47
13 04/29/2023 06:58:38 70.10, 71.75 55.61 04/29/2023 06:58:08 70.11, 71.78 55.62 2.06 30

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230418.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/17/2023 in txt file.

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