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: 2/7/2023
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 23:27:09 -70.12, 4.51 95.01 02/08/2023 23:27:36 -70.12, 4.58 95.01 2.71 27
2 02/09/2023 00:17:52 69.95, 172.07 84.81 02/09/2023 00:17:04 69.96, 172.00 84.83 3.06 48
3 02/11/2023 14:53:21 70.35, -47.39 84.39 02/11/2023 14:54:32 70.25, -46.99 84.26 18.83 71
4 02/11/2023 15:43:59 -70.05, 120.39 95.95 02/11/2023 15:44:04 -70.03, 120.33 95.97 3.05 5
5 02/11/2023 16:34:43 69.94, -72.13 83.93 02/11/2023 16:33:31 69.92, -72.17 83.92 2.28 72
6 02/14/2023 07:10:09 70.14, 68.72 83.26 02/14/2023 07:11:01 70.13, 68.72 83.25 0.92 52
7 02/14/2023 08:00:51 -70.04,-123.82 96.85 02/14/2023 08:00:31 -70.02,-123.80 96.87 2.87 20
8 02/14/2023 08:51:19 69.08, 44.88 82.13 02/14/2023 08:50:12 69.14, 42.65 82.29 88.41 67
9 02/16/2023 23:27:00 70.09,-175.43 82.29 02/16/2023 23:27:28 70.09,-175.45 82.28 0.83 28
10 02/17/2023 00:17:42 -70.00, -7.97 97.82 02/17/2023 00:16:58 -69.98, -7.97 97.83 1.82 44
11 02/19/2023 14:53:13 -70.47, 132.44 98.24 02/19/2023 14:54:24 -70.35, 133.17 98.41 30.39 71
12 02/19/2023 15:43:51 70.05, -59.60 81.31 02/19/2023 15:43:54 70.07, -59.59 81.32 1.74 3
13 02/19/2023 16:34:33 -69.96, 107.87 98.81 02/19/2023 16:33:24 -69.96, 107.90 98.80 1.44 69

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/7/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230207.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 02/07/2023 in txt file.

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