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: 7/21/2023
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 07/23/2023 13:51:18 70.23, -31.49 50.17 07/23/2023 13:52:01 70.21, -31.46 50.15 1.90 43
2 07/23/2023 14:41:59 -70.08, 136.06 129.98 07/23/2023 14:41:31 -70.09, 136.00 129.96 2.82 28
3 07/26/2023 05:17:43 -71.04, -84.35 128.40 07/26/2023 05:18:50 -70.95, -82.11 128.59 81.77 67
4 07/26/2023 06:08:12 70.15, 84.39 50.66 07/26/2023 06:08:30 70.14, 84.32 50.65 3.25 18
5 07/26/2023 06:58:54 -70.05,-108.14 129.44 07/26/2023 06:57:59 -70.08,-108.13 129.41 2.75 55
6 07/28/2023 21:34:22 -70.24, 32.72 128.65 07/28/2023 21:35:29 -70.25, 32.73 128.65 1.24 67
7 07/28/2023 22:25:06 70.14,-159.82 51.26 07/28/2023 22:24:56 70.14,-159.77 51.26 1.75 10
8 07/28/2023 23:15:42 -69.72, 8.13 129.18 07/28/2023 23:14:30 -69.81, 7.39 129.05 30.19 72
9 07/31/2023 13:51:16 -70.18, 148.58 128.07 07/31/2023 13:51:57 -70.18, 148.52 128.08 1.99 41
10 07/31/2023 14:42:00 70.08, -43.96 51.84 07/31/2023 14:41:24 70.07, -43.99 51.83 1.65 36
11 08/03/2023 05:17:37 70.71, 96.19 53.16 08/03/2023 05:18:47 70.62, 97.44 53.02 47.13 70
12 08/03/2023 06:08:10 -70.12, -95.57 127.45 08/03/2023 06:08:24 -70.13, -95.64 127.44 2.85 14
13 08/03/2023 06:58:54 70.03, 71.88 52.46 08/03/2023 06:57:51 70.02, 71.84 52.46 1.92 63

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230723.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/21/2023 in txt file.

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