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: 6/16/2023
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 06/16/2023 23:26:10 -70.04, 4.59 133.37 06/16/2023 23:26:44 -70.05, 4.60 133.37 1.62 34
2 06/17/2023 00:16:54 69.92, 172.07 46.51 06/17/2023 00:16:12 69.90, 172.03 46.49 2.97 42
3 06/19/2023 14:52:29 70.47, -47.63 47.03 06/19/2023 14:53:40 70.36, -46.71 46.87 36.81 71
4 06/19/2023 15:43:04 -70.01, 120.40 133.46 06/19/2023 15:43:14 -70.02, 120.44 133.45 2.18 10
5 06/19/2023 16:33:48 69.90, -72.12 46.43 06/19/2023 16:32:41 69.92, -72.06 46.45 3.56 67
6 06/22/2023 07:09:15 70.09, 68.74 46.62 06/22/2023 07:10:13 70.08, 68.78 46.60 1.65 58
7 06/22/2023 07:59:57 -69.99,-123.80 133.49 06/22/2023 07:59:43 -69.97,-123.74 133.51 3.14 14
8 06/22/2023 08:50:29 69.24, 44.60 45.74 06/22/2023 08:49:20 69.31, 43.00 45.87 63.29 69
9 06/24/2023 23:26:08 70.02,-175.40 46.59 06/24/2023 23:26:43 70.00,-175.44 46.57 2.92 35
10 06/25/2023 00:16:50 -69.93, -7.93 133.51 06/25/2023 00:16:13 -69.90, -7.96 133.54 3.33 37
11 06/27/2023 14:52:27 -70.59, 132.18 132.72 06/27/2023 14:53:37 -70.51, 133.53 132.86 51.10 70
12 06/27/2023 15:43:02 70.02, -59.62 46.68 06/27/2023 15:43:11 70.02, -59.54 46.67 3.04 9
13 06/27/2023 16:33:43 -69.87, 107.93 133.48 06/27/2023 16:32:42 -69.86, 107.87 133.48 2.65 61

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/16/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230616.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/16/2023 in txt file.

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