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: 7/13/2023
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 07/16/2023 07:09:11 -70.69,-112.17 130.67 07/16/2023 07:10:20 -70.58,-110.51 130.85 62.25 69
2 07/16/2023 07:59:44 70.00, 56.21 48.62 07/16/2023 07:59:56 69.99, 56.27 48.60 2.61 12
3 07/16/2023 08:50:25 -69.85,-136.25 131.54 07/16/2023 08:49:26 -69.87,-136.25 131.51 2.31 59
4 07/18/2023 23:25:52 -70.06, 4.60 130.87 07/18/2023 23:26:58 -70.08, 4.64 130.86 3.32 66
5 07/19/2023 00:16:36 69.95, 172.07 49.03 07/19/2023 00:16:26 69.92, 172.06 48.99 3.43 10
6 07/19/2023 01:07:12 -69.54, -20.00 131.41 07/19/2023 01:06:00 -69.59, -20.76 131.31 29.95 72
7 07/21/2023 15:42:43 -70.01, 120.45 130.42 07/21/2023 15:43:27 -70.00, 120.41 130.44 1.97 44
8 07/21/2023 16:33:27 69.91, -72.09 49.48 07/21/2023 16:32:54 69.89, -72.10 49.46 2.41 33
9 07/24/2023 07:09:07 70.81, 67.64 50.97 07/24/2023 07:10:14 70.70, 69.71 50.77 76.62 67
10 07/24/2023 07:59:35 -69.97,-123.72 129.92 07/24/2023 07:59:55 -70.00,-123.70 129.90 3.26 20
11 07/24/2023 08:50:19 69.87, 43.74 49.98 07/24/2023 08:49:22 69.88, 43.79 50.00 2.38 57
12 07/26/2023 23:25:45 70.04,-175.37 50.73 07/26/2023 23:26:54 70.02,-175.40 50.70 2.57 69
13 07/27/2023 00:16:27 -69.94, -7.89 129.38 07/27/2023 00:16:24 -69.92, -7.91 129.39 1.81 3
14 07/27/2023 01:07:06 69.58, 159.95 50.25 07/27/2023 01:05:54 69.64, 159.34 50.35 24.76 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/13/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230714.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/13/2023 in txt file.

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