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: 2/19/2023
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 02/21/2023 14:40:58 70.58, -44.67 81.16 02/21/2023 14:42:08 70.43, -43.61 80.96 42.69 70
2 02/21/2023 15:31:32 -70.07, 123.46 99.40 02/21/2023 15:31:43 -70.04, 123.47 99.43 2.83 11
3 02/21/2023 16:22:16 69.95, -69.05 80.47 02/21/2023 16:21:10 69.94, -69.04 80.47 1.44 66
4 02/24/2023 06:57:48 70.14, 71.80 79.71 02/24/2023 06:58:38 70.13, 71.85 79.69 2.18 50
5 02/24/2023 07:48:29 -69.99,-120.66 100.47 02/24/2023 07:48:08 -70.02,-120.68 100.44 3.18 21
6 02/24/2023 08:38:57 69.02, 48.05 78.51 02/24/2023 08:37:50 69.08, 45.70 78.68 93.41 67
7 02/26/2023 22:24:15 -70.96, 18.91 100.40 02/26/2023 22:25:22 -70.88, 21.22 100.59 84.25 67
8 02/26/2023 23:14:44 70.07,-172.34 78.64 02/26/2023 23:15:02 70.06,-172.35 78.62 1.13 18
9 02/27/2023 00:05:26 -69.97, -4.87 101.48 02/27/2023 00:04:32 -69.95, -4.87 101.50 2.31 54
10 03/01/2023 14:40:57 -70.12, 136.04 102.32 03/01/2023 14:41:59 -70.12, 135.99 102.32 1.63 62
11 03/01/2023 15:31:41 70.01, -56.49 77.56 03/01/2023 15:31:26 70.01, -56.52 77.56 1.42 15
12 03/01/2023 16:22:14 -69.44, 111.68 103.06 03/01/2023 16:21:04 -69.46, 110.36 102.97 51.70 70
13 03/04/2023 06:57:54 -70.07,-108.12 103.40 03/04/2023 06:58:22 -70.09,-108.15 103.39 2.34 28
14 03/04/2023 07:48:38 69.97, 59.34 76.48 03/04/2023 07:47:49 69.97, 59.33 76.49 0.61 49

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230219.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/19/2023 in txt file.

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