Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/2/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/03/2023 21:59:13 70.26,-153.70 64.75 04/03/2023 22:00:24 70.23,-153.62 64.71 4.32 71
2 04/03/2023 22:49:54 -70.11, 13.86 115.43 04/03/2023 22:49:54 -70.12, 13.85 115.42 0.71 0
3 04/03/2023 23:40:35 69.84,-178.43 64.28 04/03/2023 23:39:23 69.90,-178.81 64.36 16.18 72
4 04/06/2023 14:16:08 70.18, -37.79 63.64 04/06/2023 14:16:49 70.21, -37.78 63.66 3.22 41
5 04/06/2023 15:06:50 -70.08, 129.68 116.49 04/06/2023 15:06:19 -70.09, 129.70 116.47 1.90 31
6 04/09/2023 05:42:31 -70.78, -90.30 116.73 04/09/2023 05:43:40 -70.68, -88.83 116.88 55.19 69
7 04/09/2023 06:33:05 70.15, 78.01 62.60 04/09/2023 06:33:15 70.13, 78.01 62.58 2.42 10
8 04/09/2023 07:23:47 -70.05,-114.52 117.52 04/09/2023 07:22:45 -70.02,-114.51 117.55 3.24 62
9 04/11/2023 21:59:17 -70.19, 26.41 118.34 04/11/2023 22:00:13 -70.19, 26.33 118.36 2.92 56
10 04/11/2023 22:50:01 70.09,-166.12 61.54 04/11/2023 22:49:40 70.07,-166.18 61.52 3.15 21
11 04/11/2023 23:40:30 -69.30, 2.36 119.30 04/11/2023 23:39:21 -69.36, 0.47 119.18 74.37 69
12 04/14/2023 13:25:47 71.08, -26.59 61.63 04/14/2023 13:26:53 71.01, -24.17 61.49 87.76 66
13 04/14/2023 14:16:14 -70.19, 142.18 119.32 04/14/2023 14:16:36 -70.19, 142.24 119.33 2.26 22
14 04/14/2023 15:06:58 70.09, -50.35 60.56 04/14/2023 15:06:03 70.07, -50.28 60.55 3.21 55

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/2/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230402.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/02/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8