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: 3/11/2023
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 03/12/2023 22:36:29 70.55,-163.56 73.73 03/12/2023 22:37:40 70.44,-162.59 73.57 38.06 71
2 03/12/2023 23:27:03 -70.04, 4.56 106.83 03/12/2023 23:27:15 -70.05, 4.49 106.82 3.09 12
3 03/13/2023 00:17:48 69.98, 171.96 73.09 03/13/2023 00:16:42 69.95, 171.99 73.07 3.34 66
4 03/15/2023 14:53:14 70.12, -47.11 72.21 03/15/2023 14:54:14 70.13, -47.16 72.21 2.35 60
5 03/15/2023 15:43:56 -70.03, 120.35 107.91 03/15/2023 15:43:44 -70.02, 120.32 107.91 1.37 12
6 03/15/2023 16:34:29 69.33, -71.32 71.35 03/15/2023 16:33:20 69.42, -72.86 71.51 61.03 69
7 03/18/2023 07:10:06 70.13, 68.65 71.15 03/18/2023 07:10:41 70.12, 68.70 71.13 2.22 35
8 03/18/2023 08:00:47 -69.98,-123.80 109.02 03/18/2023 08:00:11 -70.01,-123.82 108.99 3.29 36
9 03/20/2023 22:36:24 -70.73, 16.17 109.27 03/20/2023 22:37:33 -70.67, 17.75 109.39 58.62 69
10 03/20/2023 23:26:57 70.05,-175.45 70.01 03/20/2023 23:27:09 70.07,-175.49 70.02 2.30 12
11 03/21/2023 00:17:39 -69.95, -7.99 110.12 03/21/2023 00:16:39 -69.96, -8.00 110.10 1.17 60
12 03/23/2023 14:53:05 -70.15, 132.87 110.95 03/23/2023 14:54:09 -70.15, 132.87 110.95 0.84 64
13 03/23/2023 15:43:49 70.05, -59.67 68.94 03/23/2023 15:43:36 70.04, -59.64 68.93 1.22 13
14 03/23/2023 16:34:23 -69.52, 108.42 111.63 03/23/2023 16:33:12 -69.61, 107.39 111.50 41.19 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/11/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230311.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/11/2023 in txt file.

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