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: 8/20/2023
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 -70.61, 119.59 121.12 08/22/2023 15:43:36 -70.47, 121.07 121.30 56.92 69
2 08/22/2023 16:33:01 69.96, -72.09 58.22 08/22/2023 16:33:11 69.93, -72.06 58.19 3.31 10
3 08/22/2023 17:23:42 -69.82, 95.43 121.92 08/22/2023 17:22:41 -69.82, 95.42 121.91 0.59 61
4 08/25/2023 07:59:13 -70.03,-123.75 120.81 08/25/2023 08:00:14 -70.02,-123.70 120.83 2.11 61
5 08/25/2023 08:49:57 69.91, 43.74 59.08 08/25/2023 08:49:41 69.91, 43.79 59.08 2.10 16
6 08/25/2023 09:40:29 -69.29,-148.05 121.56 08/25/2023 09:39:19 -69.37,-149.32 121.44 50.71 70
7 08/28/2023 00:16:09 -69.99, -7.93 119.93 08/28/2023 00:16:44 -69.98, -7.87 119.94 2.07 35
8 08/28/2023 01:06:53 69.87, 159.56 59.96 08/28/2023 01:06:11 69.87, 159.62 59.96 2.13 42
9 08/30/2023 15:42:29 70.36, -60.06 61.40 08/30/2023 15:43:40 70.24, -59.26 61.24 33.11 71
10 08/30/2023 16:33:04 -69.90, 107.97 119.08 08/30/2023 16:33:14 -69.92, 107.92 119.06 2.58 10
11 08/30/2023 17:23:48 69.78, -84.55 60.82 08/30/2023 17:22:41 69.80, -84.59 60.84 2.63 67
12 09/02/2023 07:59:17 69.97, 56.31 61.95 09/02/2023 08:00:12 69.98, 56.26 61.95 2.30 55
13 09/02/2023 08:49:59 -69.87,-136.23 118.14 09/02/2023 08:49:42 -69.88,-136.25 118.14 0.86 17
14 09/02/2023 09:40:29 69.01, 32.31 60.99 09/02/2023 09:39:21 69.10, 30.35 61.13 78.43 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/20/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230820.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/20/2023 in txt file.

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