Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/6/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 09/07/2023 15:42:28 -70.21, 120.16 115.85 09/07/2023 15:43:40 -70.15, 120.62 115.93 18.52 72
2 09/07/2023 16:33:09 69.92, -72.09 63.87 09/07/2023 16:33:09 69.94, -72.03 63.88 2.89 0
3 09/07/2023 17:23:50 -69.79, 95.42 116.26 09/07/2023 17:22:40 -69.77, 95.36 116.28 3.40 70
4 09/10/2023 07:59:20 -69.99,-123.74 115.08 09/10/2023 08:00:10 -70.00,-123.70 115.08 1.50 50
5 09/10/2023 08:50:04 69.86, 43.76 64.81 09/10/2023 08:49:37 69.89, 43.79 64.84 3.20 27
6 09/10/2023 09:40:29 -68.88,-147.52 116.19 09/10/2023 09:39:22 -68.95,-149.83 116.07 92.46 67
7 09/12/2023 23:25:48 70.86,-176.68 66.84 09/12/2023 23:26:54 70.75,-174.34 66.67 86.62 66
8 09/13/2023 00:16:14 -69.94, -7.90 114.12 09/13/2023 00:16:37 -69.93, -7.91 114.13 1.08 23
9 09/13/2023 01:06:58 69.82, 159.59 65.78 09/13/2023 01:06:04 69.82, 159.59 65.78 0.56 54
10 09/15/2023 15:42:27 69.98, -59.52 66.94 09/15/2023 15:43:34 70.00, -59.54 66.96 2.40 67
11 09/15/2023 16:33:09 -69.89, 107.93 113.14 09/15/2023 16:33:04 -69.89, 107.94 113.14 0.19 5
12 09/15/2023 17:23:47 69.46, -84.11 66.43 09/15/2023 17:22:36 69.50, -84.95 66.50 32.98 71
13 09/18/2023 07:59:22 69.95, 56.30 67.94 09/18/2023 08:00:01 69.94, 56.26 67.93 1.77 39
14 09/18/2023 08:50:04 -69.86,-136.25 112.15 09/18/2023 08:49:31 -69.83,-136.25 112.17 2.78 33

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/6/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230906.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/06/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8