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: 4/17/2023
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 04/19/2023 21:59:24 70.22,-153.66 58.83 04/19/2023 22:00:10 70.24,-153.61 58.84 2.70 46
2 04/19/2023 22:50:06 -70.13, 13.80 121.28 04/19/2023 22:49:40 -70.13, 13.86 121.28 2.34 26
3 04/22/2023 13:25:51 -71.09, 153.39 121.17 04/22/2023 13:26:58 -70.97, 155.72 121.35 85.20 67
4 04/22/2023 14:16:20 70.20, -37.84 57.89 04/22/2023 14:16:37 70.21, -37.78 57.90 2.72 17
5 04/22/2023 15:07:02 -70.10, 129.62 122.22 04/22/2023 15:06:07 -70.10, 129.70 122.23 3.10 55
6 04/25/2023 05:42:31 -70.24, -89.44 122.95 04/25/2023 05:43:37 -70.24, -89.49 122.95 1.69 66
7 04/25/2023 06:33:15 70.13, 78.04 56.93 04/25/2023 06:33:04 70.13, 78.00 56.93 1.53 11
8 04/25/2023 07:23:50 -69.66,-113.95 123.57 04/25/2023 07:22:39 -69.75,-114.90 123.46 38.09 71
9 04/27/2023 21:59:26 -70.23, 26.34 123.82 04/27/2023 22:00:01 -70.23, 26.39 123.82 1.94 35
10 04/27/2023 22:50:10 70.12,-166.18 56.06 04/27/2023 22:49:28 70.12,-166.13 56.06 2.02 42
11 04/30/2023 13:25:43 70.49, -25.61 55.63 04/30/2023 13:26:54 70.40, -25.11 55.52 21.34 71
12 04/30/2023 14:16:21 -70.18, 142.19 124.71 04/30/2023 14:16:26 -70.18, 142.21 124.71 0.91 5
13 04/30/2023 15:07:05 70.07, -50.33 55.17 04/30/2023 15:05:53 70.07, -50.31 55.17 1.27 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_NOAA-20_LANDSAT-8_20230418.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/17/2023 in txt file.

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