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: 5/14/2023
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 70.99,-164.19 51.97 05/15/2023 22:36:50 70.84,-162.03 51.77 80.53 67
2 05/15/2023 23:26:10 -70.12, 4.52 128.95 05/15/2023 23:26:31 -70.12, 4.55 128.95 1.10 21
3 05/16/2023 00:16:54 69.99, 172.02 50.92 05/16/2023 00:15:58 70.02, 172.05 50.95 2.84 56
4 05/18/2023 14:52:24 70.20, -47.15 50.54 05/18/2023 14:53:29 70.19, -47.11 50.52 1.96 65
5 05/18/2023 15:43:05 -70.06, 120.37 129.61 05/18/2023 15:42:59 -70.08, 120.37 129.60 1.82 6
6 05/18/2023 16:33:43 69.62, -71.66 49.93 05/18/2023 16:32:32 69.64, -72.60 49.97 36.38 71
7 05/21/2023 07:09:19 70.15, 68.68 49.93 05/21/2023 07:09:56 70.16, 68.73 49.93 2.34 37
8 05/21/2023 08:00:00 -70.01,-123.79 130.23 05/21/2023 07:59:27 -70.00,-123.86 130.24 3.19 33
9 05/23/2023 22:35:38 -70.70, 16.27 130.02 05/23/2023 22:36:48 -70.60, 17.61 130.16 50.68 70
10 05/23/2023 23:26:13 70.11,-175.49 49.36 05/23/2023 23:26:22 70.10,-175.46 49.35 1.44 9
11 05/24/2023 00:16:55 -70.02, -8.04 130.74 05/24/2023 00:15:52 -70.00, -7.98 130.76 3.37 63
12 05/26/2023 14:52:24 -70.19, 132.84 131.03 05/26/2023 14:53:21 -70.19, 132.89 131.05 2.37 57
13 05/26/2023 15:43:08 70.08, -59.68 48.85 05/26/2023 15:42:48 70.07, -59.63 48.84 2.64 20

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/14/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230514.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/14/2023 in txt file.

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