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: 4/9/2023
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 04/11/2023 21:59:17 -70.21, 26.38 118.33 04/11/2023 22:00:13 -70.22, 26.37 118.33 0.96 56
2 04/11/2023 22:50:01 70.10,-166.14 61.55 04/11/2023 22:49:40 70.11,-166.13 61.57 1.92 21
3 04/11/2023 23:40:30 -69.31, 2.33 119.28 04/11/2023 23:39:22 -69.34, 0.44 119.20 74.43 68
4 04/14/2023 13:25:48 71.13, -26.68 61.68 04/14/2023 13:26:54 71.05, -24.12 61.52 92.59 66
5 04/14/2023 14:16:13 -70.14, 142.25 119.37 04/14/2023 14:16:38 -70.17, 142.19 119.35 3.22 25
6 04/14/2023 15:06:57 70.03, -50.27 60.51 04/14/2023 15:06:05 70.06, -50.32 60.54 3.18 52
7 04/17/2023 05:42:28 70.24, 90.55 59.79 04/17/2023 05:43:32 70.25, 90.58 59.79 1.62 64
8 04/17/2023 06:33:10 -70.14,-101.98 120.33 04/17/2023 06:33:02 -70.14,-101.95 120.33 1.04 8
9 04/17/2023 07:23:46 69.61, 66.13 59.11 04/17/2023 07:22:35 69.70, 65.08 59.23 41.93 71
10 04/19/2023 21:59:24 70.19,-153.61 58.80 04/19/2023 21:59:56 70.19,-153.61 58.80 0.14 32
11 04/19/2023 22:50:06 -70.09, 13.86 121.32 04/19/2023 22:49:26 -70.08, 13.87 121.33 0.99 40
12 04/22/2023 13:25:38 -70.42, 154.50 121.87 04/22/2023 13:26:50 -70.33, 154.84 121.97 15.98 72
13 04/22/2023 14:16:19 70.16, -37.78 57.85 04/22/2023 14:16:18 70.16, -37.76 57.85 0.89 1
14 04/22/2023 15:07:01 -70.05, 129.69 122.27 04/22/2023 15:05:48 -70.05, 129.72 122.27 1.09 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230410.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/09/2023 in txt file.

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