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: 7/4/2023
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 07/05/2023 15:42:56 -70.02, 120.41 132.77 07/05/2023 15:43:25 -70.03, 120.44 132.76 1.77 29
2 07/05/2023 16:33:40 69.90, -72.12 47.12 07/05/2023 16:32:52 69.93, -72.06 47.15 3.38 48
3 07/08/2023 07:09:12 70.35, 68.35 47.87 07/08/2023 07:10:23 70.27, 69.03 47.75 26.89 71
4 07/08/2023 07:59:48 -69.99,-123.78 132.51 07/08/2023 07:59:55 -70.00,-123.73 132.51 2.35 7
5 07/08/2023 08:50:31 69.83, 43.77 47.33 07/08/2023 08:49:23 69.84, 43.70 47.35 3.28 68
6 07/10/2023 23:25:59 70.06,-175.44 47.90 07/10/2023 23:26:56 70.06,-175.40 47.88 1.73 57
7 07/11/2023 00:16:41 -69.96, -7.97 132.21 07/11/2023 00:16:26 -69.95, -7.91 132.22 2.51 15
8 07/11/2023 01:07:12 69.17, 160.49 46.97 07/11/2023 01:06:04 69.24, 158.76 47.11 68.90 68
9 07/13/2023 15:42:51 70.00, -59.56 48.20 07/13/2023 15:43:27 69.99, -59.61 48.18 2.33 36
10 07/13/2023 16:33:33 -69.89, 107.91 131.91 07/13/2023 16:32:57 -69.88, 107.87 131.91 1.83 36
11 07/16/2023 07:09:12 -70.72,-112.22 130.63 07/16/2023 07:10:20 -70.61,-110.46 130.82 65.78 68
12 07/16/2023 07:59:44 69.99, 56.23 48.61 07/16/2023 07:59:56 70.01, 56.30 48.62 3.42 12
13 07/16/2023 08:50:26 -69.88,-136.30 131.50 07/16/2023 08:49:27 -69.85,-136.29 131.53 3.47 59

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/4/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230704.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/04/2023 in txt file.

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