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: 5/15/2023
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 05/15/2023 22:35:43 70.97,-164.16 51.95 05/15/2023 22:36:50 70.86,-161.99 51.79 79.75 67
2 05/15/2023 23:26:10 -70.10, 4.55 128.97 05/15/2023 23:26:32 -70.09, 4.50 128.98 2.24 22
3 05/16/2023 00:16:54 69.97, 172.05 50.90 05/16/2023 00:15:59 69.98, 172.00 50.92 2.29 55
4 05/18/2023 14:52:23 70.18, -47.12 50.52 05/18/2023 14:53:29 70.16, -47.14 50.50 1.41 66
5 05/18/2023 15:43:04 -70.04, 120.40 129.63 05/18/2023 15:42:59 -70.05, 120.33 129.62 3.14 5
6 05/18/2023 16:33:42 69.60, -71.63 49.91 05/18/2023 16:32:31 69.67, -72.55 50.01 36.67 71
7 05/21/2023 07:09:18 70.13, 68.72 49.90 05/21/2023 07:09:56 70.16, 68.73 49.93 3.37 38
8 05/21/2023 08:00:00 -70.04,-123.83 130.20 05/21/2023 07:59:26 -70.05,-123.80 130.19 1.64 34
9 05/23/2023 22:35:39 -70.73, 16.22 129.99 05/23/2023 22:36:49 -70.62, 17.64 130.14 53.32 70
10 05/23/2023 23:26:13 70.09,-175.46 49.34 05/23/2023 23:26:24 70.07,-175.52 49.32 3.14 11
11 05/24/2023 00:16:55 -70.00, -8.00 130.77 05/24/2023 00:15:53 -70.02, -7.96 130.74 2.78 62
12 05/26/2023 14:52:24 -70.17, 132.88 131.06 05/26/2023 14:53:23 -70.18, 132.88 131.05 1.36 59
13 05/26/2023 15:43:08 70.05, -59.64 48.82 05/26/2023 15:42:50 70.06, -59.64 48.83 1.07 18

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/15/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230515.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/15/2023 in txt file.

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