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: 7/27/2023
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 07/28/2023 21:34:24 -70.35, 32.55 128.54 07/28/2023 21:35:35 -70.32, 32.80 128.59 10.01 71
2 07/28/2023 22:25:06 70.13,-159.81 51.25 07/28/2023 22:25:04 70.11,-159.85 51.23 2.59 2
3 07/28/2023 23:15:47 -69.98, 7.73 128.90 07/28/2023 23:14:34 -70.00, 7.62 128.87 4.56 73
4 07/31/2023 13:51:17 -70.23, 148.50 128.02 07/31/2023 13:52:08 -70.24, 148.57 128.02 3.09 51
5 07/31/2023 14:42:00 70.07, -43.95 51.83 07/31/2023 14:41:36 70.09, -44.01 51.85 3.09 24
6 07/31/2023 15:32:27 -69.18, 124.67 129.10 07/31/2023 15:31:20 -69.21, 122.42 128.97 88.99 67
7 08/03/2023 06:08:11 -70.17, -95.64 127.40 08/03/2023 06:08:40 -70.20, -95.62 127.38 3.15 29
8 08/03/2023 06:58:55 70.07, 71.82 52.50 08/03/2023 06:58:08 70.04, 71.80 52.48 3.16 47
9 08/05/2023 21:34:28 70.49,-147.69 53.64 08/05/2023 21:35:39 70.39,-147.09 53.51 24.70 71
10 08/05/2023 22:25:05 -70.12, 20.20 126.75 08/05/2023 22:25:12 -70.12, 20.15 126.74 2.10 7
11 08/05/2023 23:15:49 70.02,-172.34 53.16 08/05/2023 23:14:39 70.02,-172.35 53.17 0.68 70
12 08/08/2023 13:51:16 70.18, -31.44 54.06 08/08/2023 13:52:12 70.18, -31.52 54.05 2.79 56
13 08/08/2023 14:41:58 -70.07, 136.04 126.05 08/08/2023 14:41:42 -70.08, 135.97 126.04 2.90 16
14 08/08/2023 15:32:29 69.28, -55.50 53.14 08/08/2023 15:31:21 69.30, -57.45 53.24 76.76 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/27/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230727.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/27/2023 in txt file.

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