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: 4/12/2023
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 04/13/2023 22:35:59 71.11,-164.39 61.89 04/13/2023 22:37:04 71.01,-161.72 61.71 97.03 65
2 04/13/2023 23:26:23 -70.08, 4.59 119.21 04/13/2023 23:26:49 -70.08, 4.52 119.22 2.41 26
3 04/14/2023 00:17:07 69.96, 172.07 60.66 04/14/2023 00:16:16 69.97, 172.02 60.68 1.93 51
4 04/16/2023 14:52:35 70.35, -47.37 60.13 04/16/2023 14:53:46 70.29, -46.93 60.05 17.93 71
5 04/16/2023 15:43:13 -70.06, 120.41 120.20 04/16/2023 15:43:18 -70.07, 120.39 120.18 2.25 5
6 04/16/2023 16:33:57 69.94, -72.11 59.68 04/16/2023 16:32:45 69.97, -72.11 59.71 2.78 72
7 04/19/2023 07:09:21 70.13, 68.76 58.96 04/19/2023 07:10:18 70.12, 68.70 58.94 2.40 57
8 04/19/2023 08:00:03 -70.04,-123.78 121.15 04/19/2023 07:59:48 -70.02,-123.81 121.18 2.82 15
9 04/19/2023 08:50:34 69.24, 44.69 58.01 04/19/2023 08:49:26 69.30, 42.85 58.12 72.72 68
10 04/21/2023 23:26:11 70.13,-175.45 58.04 04/21/2023 23:26:47 70.12,-175.44 58.02 1.55 36
11 04/22/2023 00:16:53 -70.04, -7.99 122.08 04/22/2023 00:16:17 -70.01, -7.95 122.10 3.09 36
12 04/24/2023 14:52:29 -70.92, 131.76 122.03 04/24/2023 14:53:37 -70.82, 133.83 122.18 76.29 68
13 04/24/2023 15:42:59 70.09, -59.59 57.09 04/24/2023 15:43:15 70.11, -59.57 57.11 2.56 16
14 04/24/2023 16:33:41 -69.99, 107.87 123.02 04/24/2023 16:32:45 -70.01, 107.92 123.00 2.63 56

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230413.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/12/2023 in txt file.

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