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: 2/14/2023
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 02/16/2023 06:57:38 -70.28,-108.38 97.27 02/16/2023 06:58:49 -70.24,-108.03 97.34 13.81 71
2 02/16/2023 07:48:19 70.01, 59.35 82.43 02/16/2023 07:48:18 70.03, 59.31 82.45 3.03 1
3 02/16/2023 08:39:01 -69.92,-133.20 97.68 02/16/2023 08:37:48 -69.91,-133.22 97.67 0.65 73
4 02/18/2023 23:14:28 -70.10, 7.68 98.40 02/18/2023 23:15:17 -70.12, 7.68 98.40 2.02 49
5 02/19/2023 00:05:12 69.99, 175.15 81.47 02/19/2023 00:04:44 70.01, 175.17 81.50 2.48 28
6 02/21/2023 14:40:53 70.98, -45.27 81.59 02/21/2023 14:41:59 70.87, -42.94 81.37 85.39 66
7 02/21/2023 15:31:19 -70.04, 123.55 99.43 02/21/2023 15:31:42 -70.05, 123.48 99.42 2.95 23
8 02/21/2023 16:22:03 69.93, -68.98 80.45 02/21/2023 16:21:09 69.93, -69.04 80.46 2.20 54
9 02/24/2023 06:57:30 70.15, 71.85 79.72 02/24/2023 06:58:36 70.14, 71.87 79.70 1.44 66
10 02/24/2023 07:48:12 -70.05,-120.68 100.40 02/24/2023 07:48:06 -70.03,-120.65 100.42 2.40 6
11 02/24/2023 08:38:49 69.58, 47.34 79.09 02/24/2023 08:37:38 69.64, 46.45 79.20 34.95 71
12 02/26/2023 23:14:22 70.12,-172.32 78.69 02/26/2023 23:14:59 70.12,-172.25 78.68 2.66 37
13 02/27/2023 00:05:04 -70.02, -4.85 101.43 02/27/2023 00:04:29 -70.01, -4.77 101.44 2.93 35

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230214.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/14/2023 in txt file.

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