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: 8/21/2023
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 08/22/2023 15:42:27 -70.58, 119.63 121.14 08/22/2023 15:43:36 -70.50, 121.11 121.28 55.75 69
2 08/22/2023 16:33:01 69.93, -72.06 58.20 08/22/2023 16:33:11 69.96, -72.03 58.21 2.80 10
3 08/22/2023 17:23:43 -69.85, 95.39 121.89 08/22/2023 17:22:41 -69.85, 95.45 121.88 2.47 62
4 08/25/2023 07:59:13 -70.01,-123.72 120.84 08/25/2023 08:00:15 -69.99,-123.74 120.86 1.89 62
5 08/25/2023 08:49:57 69.89, 43.78 59.05 08/25/2023 08:49:42 69.89, 43.75 59.05 0.91 15
6 08/25/2023 09:40:30 -69.32,-148.09 121.53 08/25/2023 09:39:19 -69.39,-149.29 121.41 47.66 71
7 08/28/2023 00:16:08 -69.96, -7.89 119.96 08/28/2023 00:16:44 -69.96, -7.91 119.97 1.38 36
8 08/28/2023 01:06:52 69.84, 159.60 59.94 08/28/2023 01:06:11 69.84, 159.58 59.94 0.80 41
9 08/30/2023 15:42:29 70.39, -60.10 61.42 08/30/2023 15:43:39 70.27, -59.21 61.27 35.80 70
10 08/30/2023 16:33:04 -69.93, 107.92 119.05 08/30/2023 16:33:13 -69.95, 107.96 119.03 2.33 9
11 08/30/2023 17:23:48 69.81, -84.59 60.85 08/30/2023 17:22:40 69.83, -84.55 60.87 2.83 68
12 09/02/2023 07:59:18 69.99, 56.27 61.97 09/02/2023 08:00:12 70.01, 56.31 61.99 2.56 54
13 09/02/2023 08:50:00 -69.90,-136.27 118.11 09/02/2023 08:49:42 -69.91,-136.20 118.11 2.91 18
14 09/02/2023 09:40:30 69.04, 32.27 61.01 09/02/2023 09:39:22 69.08, 30.32 61.11 77.77 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/21/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230821.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/21/2023 in txt file.

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