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: 10/21/2023
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 10/22/2023 06:57:47 70.14, 71.87 81.02 10/22/2023 06:58:38 70.12, 71.87 80.99 2.88 51
2 10/22/2023 07:48:28 -70.01,-120.62 99.10 10/22/2023 07:48:08 -70.00,-120.66 99.11 1.85 20
3 10/22/2023 08:38:56 69.04, 48.10 79.95 10/22/2023 08:37:50 69.07, 45.73 79.97 94.26 66
4 10/24/2023 23:14:36 70.10,-172.27 81.91 10/24/2023 23:15:07 70.07,-172.31 81.88 3.33 31
5 10/25/2023 00:05:18 -70.02, -4.83 98.16 10/25/2023 00:04:36 -70.01, -4.76 98.17 2.79 42
6 10/27/2023 14:40:50 -70.70, 135.26 96.58 10/27/2023 14:41:59 -70.58, 136.68 96.70 53.97 69
7 10/27/2023 15:31:24 70.06, -56.43 82.79 10/27/2023 15:31:34 70.04, -56.47 82.77 3.09 10
8 10/27/2023 16:22:06 -69.98, 111.02 97.28 10/27/2023 16:21:03 -69.99, 111.09 97.28 2.81 63
9 10/30/2023 06:57:29 -70.15,-108.07 96.25 10/30/2023 06:58:34 -70.13,-108.09 96.26 1.57 65
10 10/30/2023 07:48:13 70.04, 59.40 83.66 10/30/2023 07:48:01 70.02, 59.40 83.64 2.00 12
11 10/30/2023 08:38:48 -69.58,-132.60 96.79 10/30/2023 08:37:36 -69.64,-133.50 96.73 35.35 72
12 11/01/2023 23:14:18 -70.13, 7.74 95.40 11/01/2023 23:15:00 -70.14, 7.81 95.39 2.54 42
13 11/02/2023 00:05:01 69.98, 175.29 84.46 11/02/2023 00:04:28 69.97, 175.22 84.45 3.07 33

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231021.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/21/2023 in txt file.

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