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: 2/11/2023
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 02/13/2023 15:31:27 70.08, -56.54 83.42 02/13/2023 15:31:51 70.06, -56.53 83.40 2.11 24
2 02/13/2023 16:22:08 -69.94, 110.99 96.74 02/13/2023 16:21:21 -69.94, 110.94 96.73 1.86 47
3 02/16/2023 06:57:38 -70.26,-108.36 97.29 02/16/2023 06:58:50 -70.20,-108.09 97.38 12.22 72
4 02/16/2023 07:48:19 70.05, 59.29 82.47 02/16/2023 07:48:17 70.04, 59.33 82.46 1.68 2
5 02/16/2023 08:39:00 -69.90,-133.18 97.70 02/16/2023 08:37:47 -69.93,-133.20 97.66 3.02 73
6 02/18/2023 23:14:27 -70.08, 7.70 98.42 02/18/2023 23:15:17 -70.08, 7.63 98.43 2.92 50
7 02/19/2023 00:05:11 69.97, 175.18 81.46 02/19/2023 00:04:44 69.97, 175.12 81.46 2.48 27
8 02/19/2023 00:55:36 -68.98, -16.07 99.61 02/19/2023 00:54:29 -69.03, -18.51 99.44 97.29 67
9 02/21/2023 14:40:53 70.96, -45.24 81.57 02/21/2023 14:42:00 70.83, -43.00 81.33 82.73 67
10 02/21/2023 15:31:20 -70.07, 123.50 99.39 02/21/2023 15:31:42 -70.06, 123.50 99.41 0.90 22
11 02/21/2023 16:22:04 69.97, -69.03 80.49 02/21/2023 16:21:09 69.95, -69.01 80.48 2.30 55
12 02/24/2023 06:57:30 70.13, 71.88 79.70 02/24/2023 06:58:36 70.16, 71.90 79.72 3.36 66
13 02/24/2023 07:48:12 -70.02,-120.64 100.43 02/24/2023 07:48:06 -70.05,-120.62 100.40 3.15 6
14 02/24/2023 08:38:50 69.61, 47.29 79.12 02/24/2023 08:37:38 69.66, 46.48 79.22 31.81 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/11/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230211.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/11/2023 in txt file.

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