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: 2/8/2023
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 02/08/2023 23:27:08 -70.11, 4.52 95.02 02/08/2023 23:27:35 -70.13, 4.59 95.01 3.22 27
2 02/09/2023 00:17:52 69.99, 172.01 84.85 02/09/2023 00:17:03 69.97, 172.01 84.84 2.56 49
3 02/11/2023 14:53:21 70.34, -47.38 84.38 02/11/2023 14:54:32 70.25, -46.99 84.25 17.99 71
4 02/11/2023 15:44:00 -70.10, 120.32 95.90 02/11/2023 15:44:03 -70.08, 120.40 95.92 3.55 3
5 02/11/2023 16:34:43 69.93, -72.12 83.92 02/11/2023 16:33:31 69.92, -72.18 83.92 2.74 72
6 02/14/2023 07:10:09 70.13, 68.72 83.26 02/14/2023 07:11:00 70.16, 68.77 83.27 3.31 51
7 02/14/2023 08:00:51 -70.04,-123.82 96.85 02/14/2023 08:00:30 -70.05,-123.76 96.85 2.48 21
8 02/14/2023 08:51:19 69.08, 44.88 82.13 02/14/2023 08:50:12 69.11, 42.62 82.27 89.87 67
9 02/16/2023 23:27:00 70.09,-175.44 82.30 02/16/2023 23:27:27 70.09,-175.44 82.29 0.41 27
10 02/17/2023 00:17:42 -70.00, -7.98 97.82 02/17/2023 00:16:57 -69.98, -7.96 97.83 1.93 45
11 02/19/2023 14:53:11 -70.43, 132.51 98.29 02/19/2023 14:54:22 -70.32, 133.13 98.44 26.27 71
12 02/19/2023 15:43:50 70.06, -59.61 81.32 02/19/2023 15:43:52 70.04, -59.62 81.29 2.69 2
13 02/19/2023 16:34:31 -69.91, 107.93 98.86 02/19/2023 16:33:22 -69.93, 107.86 98.82 3.40 69

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/8/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230208.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 02/08/2023 in txt file.

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