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: 4/8/2023
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 04/09/2023 05:42:32 -70.80, -90.34 116.71 04/09/2023 05:43:41 -70.68, -88.84 116.88 56.88 69
2 04/09/2023 06:33:06 70.17, 77.99 62.62 04/09/2023 06:33:16 70.14, 78.02 62.59 3.16 10
3 04/09/2023 07:23:47 -70.02,-114.47 117.56 04/09/2023 07:22:46 -70.02,-114.51 117.54 1.73 61
4 04/11/2023 21:59:17 -70.21, 26.39 118.33 04/11/2023 22:00:13 -70.22, 26.38 118.32 1.77 56
5 04/11/2023 22:50:01 70.09,-166.13 61.55 04/11/2023 22:49:40 70.11,-166.13 61.57 2.21 21
6 04/11/2023 23:40:30 -69.31, 2.34 119.28 04/11/2023 23:39:22 -69.34, 0.44 119.20 74.56 68
7 04/14/2023 13:25:48 71.13, -26.67 61.68 04/14/2023 13:26:54 71.04, -24.13 61.52 92.21 66
8 04/14/2023 14:16:14 -70.19, 142.18 119.32 04/14/2023 14:16:38 -70.17, 142.19 119.35 2.79 24
9 04/14/2023 15:06:58 70.08, -50.35 60.56 04/14/2023 15:06:05 70.06, -50.32 60.53 3.13 53
10 04/17/2023 05:42:28 70.23, 90.56 59.78 04/17/2023 05:43:32 70.24, 90.57 59.78 1.30 64
11 04/17/2023 06:33:10 -70.13,-101.96 120.34 04/17/2023 06:33:02 -70.13,-101.96 120.34 0.47 8
12 04/17/2023 07:23:46 69.60, 66.14 59.10 04/17/2023 07:22:35 69.69, 65.07 59.22 42.65 71
13 04/19/2023 21:59:24 70.18,-153.59 58.79 04/19/2023 21:59:56 70.18,-153.63 58.78 1.45 32
14 04/19/2023 22:50:06 -70.08, 13.88 121.33 04/19/2023 22:49:26 -70.07, 13.85 121.34 1.51 40

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230408.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/08/2023 in txt file.

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