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: 4/21/2023
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 04/22/2023 13:25:53 -71.21, 153.19 121.04 04/22/2023 13:26:59 -71.10, 155.91 121.22 98.38 66
2 04/22/2023 14:16:20 70.21, -37.86 57.90 04/22/2023 14:16:41 70.18, -37.83 57.87 2.99 21
3 04/22/2023 15:07:01 -70.06, 129.68 122.26 04/22/2023 15:06:11 -70.07, 129.65 122.25 1.48 50
4 04/25/2023 05:42:32 -70.30, -89.54 122.89 04/25/2023 05:43:44 -70.28, -89.46 122.91 3.49 72
5 04/25/2023 06:33:15 70.13, 78.03 56.93 04/25/2023 06:33:12 70.12, 77.95 56.92 3.25 3
6 04/25/2023 07:23:55 -69.93,-114.35 123.29 04/25/2023 07:22:43 -69.96,-114.64 123.25 11.41 72
7 04/27/2023 21:59:27 -70.23, 26.34 123.82 04/27/2023 22:00:15 -70.22, 26.32 123.84 1.24 48
8 04/27/2023 22:50:11 70.12,-166.18 56.06 04/27/2023 22:49:42 70.11,-166.19 56.05 0.87 29
9 04/30/2023 13:25:55 71.11, -26.64 56.27 04/30/2023 13:27:01 71.03, -24.24 56.13 87.14 66
10 04/30/2023 14:16:22 -70.23, 142.12 124.66 04/30/2023 14:16:44 -70.22, 142.18 124.68 2.56 22
11 04/30/2023 15:07:06 70.12, -50.40 55.22 04/30/2023 15:06:11 70.10, -50.34 55.21 2.79 55
12 05/03/2023 05:42:35 70.28, 90.50 54.60 05/03/2023 05:43:45 70.25, 90.47 54.57 2.68 70
13 05/03/2023 06:33:17 -70.18,-102.03 125.52 05/03/2023 06:33:15 -70.16,-102.04 125.54 2.61 2
14 05/03/2023 07:23:57 69.86, 65.77 54.14 05/03/2023 07:22:44 69.93, 65.29 54.23 19.99 73

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230421.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/21/2023 in txt file.

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