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: 5/18/2023
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 05/20/2023 13:51:02 70.22, -31.50 50.14 05/20/2023 13:51:58 70.23, -31.57 50.15 3.14 56
2 05/20/2023 14:41:44 -70.14, 135.95 129.95 05/20/2023 14:41:28 -70.12, 135.90 129.97 3.00 16
3 05/20/2023 15:32:15 69.33, -55.54 49.21 05/20/2023 15:31:07 69.35, -57.50 49.28 77.22 68
4 05/23/2023 06:07:57 70.23, 84.27 49.61 05/23/2023 06:08:25 70.21, 84.27 49.59 2.22 28
5 05/23/2023 06:58:38 -70.09,-108.20 130.54 05/23/2023 06:57:55 -70.09,-108.25 130.53 2.01 43
6 05/25/2023 21:34:11 -70.51, 32.29 130.58 05/25/2023 21:35:22 -70.43, 32.84 130.68 22.45 71
7 05/25/2023 22:24:51 70.19,-159.88 49.08 05/25/2023 22:24:52 70.16,-159.91 49.05 3.31 1
8 05/25/2023 23:15:33 -70.10, 7.57 131.02 05/25/2023 23:14:21 -70.10, 7.64 131.02 2.99 72
9 05/28/2023 13:51:01 -70.27, 148.46 131.29 05/28/2023 13:51:51 -70.26, 148.47 131.30 1.32 50
10 05/28/2023 14:41:45 70.15, -44.05 48.59 05/28/2023 14:41:18 70.14, -44.05 48.58 0.92 27
11 05/28/2023 15:32:10 -69.16, 124.72 132.43 05/28/2023 15:31:03 -69.21, 122.32 132.33 95.15 67
12 05/31/2023 05:17:27 71.11, 95.54 49.20 05/31/2023 05:18:34 70.98, 97.81 49.01 83.33 67
13 05/31/2023 06:07:54 -70.23, -95.71 131.72 05/31/2023 06:08:16 -70.22, -95.69 131.74 1.45 22
14 05/31/2023 06:58:38 70.12, 71.78 48.16 05/31/2023 06:57:43 70.11, 71.79 48.15 1.69 55

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230518.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/18/2023 in txt file.

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