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: 4/11/2023
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 21:59:18 -70.22, 26.36 118.31 04/11/2023 22:00:14 -70.20, 26.35 118.34 2.45 56
2 04/11/2023 22:50:02 70.11,-166.16 61.56 04/11/2023 22:49:41 70.10,-166.15 61.55 1.23 21
3 04/11/2023 23:40:31 -69.33, 2.32 119.26 04/11/2023 23:39:22 -69.37, 0.49 119.16 71.81 69
4 04/14/2023 13:25:48 71.14, -26.70 61.69 04/14/2023 13:26:54 71.02, -24.16 61.50 92.54 66
5 04/14/2023 14:16:13 -70.16, 142.23 119.36 04/14/2023 14:16:38 -70.14, 142.16 119.37 3.05 25
6 04/14/2023 15:06:57 70.04, -50.29 60.52 04/14/2023 15:06:05 70.04, -50.35 60.51 2.42 52
7 04/17/2023 05:42:28 70.25, 90.53 59.80 04/17/2023 05:43:32 70.22, 90.53 59.76 3.45 64
8 04/17/2023 06:33:09 -70.10,-101.92 120.37 04/17/2023 06:33:02 -70.11,-102.00 120.37 3.11 7
9 04/17/2023 07:23:46 69.62, 66.11 59.12 04/17/2023 07:22:35 69.66, 65.03 59.20 42.07 71
10 04/19/2023 21:59:24 70.20,-153.63 58.81 04/19/2023 21:59:55 70.20,-153.59 58.81 1.24 31
11 04/19/2023 22:50:06 -70.11, 13.85 121.31 04/19/2023 22:49:25 -70.09, 13.88 121.32 1.85 41
12 04/22/2023 13:25:38 -70.38, 154.56 121.91 04/22/2023 13:26:50 -70.33, 154.84 121.98 11.68 72
13 04/22/2023 14:16:20 70.17, -37.80 57.86 04/22/2023 14:16:18 70.16, -37.76 57.85 1.79 2
14 04/22/2023 15:07:01 -70.01, 129.76 122.32 04/22/2023 15:05:48 -70.05, 129.72 122.27 4.26 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/11/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230411.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/11/2023 in txt file.

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