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: 7/25/2023
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 07/26/2023 05:17:44 -71.11, -84.47 128.33 07/26/2023 05:18:51 -71.00, -82.03 128.54 88.87 67
2 07/26/2023 06:08:12 70.17, 84.37 50.68 07/26/2023 06:08:32 70.15, 84.33 50.66 2.89 20
3 07/26/2023 06:58:54 -70.07,-108.17 129.42 07/26/2023 06:58:01 -70.08,-108.13 129.40 1.96 53
4 07/28/2023 21:34:25 -70.36, 32.53 128.52 07/28/2023 21:35:36 -70.31, 32.79 128.60 11.49 71
5 07/28/2023 22:25:07 70.15,-159.84 51.27 07/28/2023 22:25:04 70.16,-159.79 51.27 2.11 3
6 07/28/2023 23:15:48 -70.00, 7.71 128.89 07/28/2023 23:14:35 -69.99, 7.61 128.88 4.07 73
7 07/31/2023 13:51:17 -70.19, 148.56 128.06 07/31/2023 13:52:10 -70.19, 148.49 128.07 2.81 53
8 07/31/2023 14:42:01 70.08, -43.97 51.84 07/31/2023 14:41:37 70.09, -44.01 51.85 1.57 24
9 07/31/2023 15:32:28 -69.19, 124.65 129.09 07/31/2023 15:31:21 -69.21, 122.42 128.98 88.33 67
10 08/03/2023 06:08:11 -70.18, -95.66 127.39 08/03/2023 06:08:40 -70.20, -95.61 127.37 3.34 29
11 08/03/2023 06:58:55 70.08, 71.81 52.52 08/03/2023 06:58:08 70.04, 71.80 52.49 3.61 47
12 08/05/2023 21:34:28 70.49,-147.70 53.65 08/05/2023 21:35:39 70.41,-147.07 53.53 25.30 71
13 08/05/2023 22:25:05 -70.12, 20.20 126.74 08/05/2023 22:25:12 -70.14, 20.17 126.72 2.27 7
14 08/05/2023 23:15:49 70.02,-172.35 53.17 08/05/2023 23:14:39 70.03,-172.33 53.19 1.08 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/25/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230726.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/25/2023 in txt file.

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