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: 2/20/2023
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 14:40:57 70.54, -44.61 81.12 02/21/2023 14:42:07 70.47, -43.55 80.99 40.00 70
2 02/21/2023 15:31:31 -70.03, 123.51 99.44 02/21/2023 15:31:43 -70.02, 123.44 99.45 2.97 12
3 02/21/2023 16:22:15 69.91, -69.00 80.43 02/21/2023 16:21:10 69.92, -69.06 80.45 2.72 65
4 02/24/2023 06:57:47 70.09, 71.86 79.67 02/24/2023 06:58:38 70.11, 71.82 79.67 2.37 51
5 02/24/2023 07:48:29 -70.00,-120.68 100.45 02/24/2023 07:48:08 -70.00,-120.70 100.45 0.97 21
6 02/24/2023 08:38:56 68.98, 48.10 78.47 02/24/2023 08:37:50 69.06, 45.68 78.66 96.96 66
7 02/26/2023 22:24:16 -70.97, 18.90 100.40 02/26/2023 22:25:23 -70.87, 21.19 100.61 84.05 67
8 02/26/2023 23:14:45 70.08,-172.35 78.64 02/26/2023 23:15:03 70.05,-172.37 78.61 3.44 18
9 02/27/2023 00:05:27 -69.98, -4.88 101.48 02/27/2023 00:04:32 -69.99, -4.82 101.46 2.78 55
10 03/01/2023 14:40:58 -70.12, 136.04 102.32 03/01/2023 14:42:00 -70.11, 135.98 102.34 2.49 62
11 03/01/2023 15:31:41 70.01, -56.49 77.56 03/01/2023 15:31:26 70.00, -56.54 77.55 2.59 15
12 03/01/2023 16:22:14 -69.43, 111.68 103.07 03/01/2023 16:21:04 -69.45, 110.34 102.99 52.40 70
13 03/04/2023 06:57:54 -70.06,-108.11 103.41 03/04/2023 06:58:22 -70.08,-108.16 103.39 3.28 28
14 03/04/2023 07:48:38 69.96, 59.36 76.47 03/04/2023 07:47:49 69.96, 59.32 76.49 1.81 49

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230220.jpg

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

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