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: 2/9/2023
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 02/10/2023 23:14:33 70.10,-172.35 84.33 02/10/2023 23:15:22 70.11,-172.35 84.33 1.29 49
2 02/11/2023 00:05:15 -70.01, -4.90 95.77 02/11/2023 00:04:52 -69.99, -4.87 95.79 2.40 23
3 02/13/2023 15:31:26 70.05, -56.50 83.39 02/13/2023 15:31:51 70.04, -56.55 83.38 2.11 25
4 02/13/2023 16:22:08 -69.96, 110.95 96.72 02/13/2023 16:21:21 -69.93, 110.92 96.74 3.19 47
5 02/16/2023 06:57:38 -70.28,-108.38 97.27 02/16/2023 06:58:50 -70.21,-108.08 97.37 13.85 72
6 02/16/2023 07:48:20 70.06, 59.26 82.49 02/16/2023 07:48:18 70.05, 59.33 82.47 3.55 2
7 02/16/2023 08:39:01 -69.92,-133.20 97.68 02/16/2023 08:37:48 -69.94,-133.19 97.65 2.11 73
8 02/18/2023 23:14:28 -70.09, 7.69 98.41 02/18/2023 23:15:18 -70.11, 7.67 98.40 2.53 50
9 02/19/2023 00:05:12 69.99, 175.16 81.47 02/19/2023 00:04:45 70.00, 175.16 81.49 1.73 27
10 02/19/2023 00:55:37 -68.99, -16.08 99.60 02/19/2023 00:54:31 -69.01, -18.53 99.45 97.72 66
11 02/21/2023 14:40:54 71.02, -45.33 81.63 02/21/2023 14:42:00 70.90, -42.90 81.40 89.26 66
12 02/21/2023 15:31:20 -70.07, 123.50 99.39 02/21/2023 15:31:43 -70.08, 123.52 99.39 1.33 23
13 02/21/2023 16:22:04 69.97, -69.04 80.49 02/21/2023 16:21:10 69.97, -69.00 80.49 1.71 54

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230209.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/09/2023 in txt file.

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