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: 8/10/2023
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 08/11/2023 23:25:44 71.01,-176.85 55.94 08/11/2023 23:26:50 70.90,-174.13 55.73 99.28 66
2 08/12/2023 00:16:08 -69.97, -7.88 125.15 08/12/2023 00:16:35 -69.97, -7.88 125.16 0.78 27
3 08/12/2023 01:06:52 69.86, 159.60 54.75 08/12/2023 01:06:02 69.86, 159.62 54.75 0.81 50
4 08/14/2023 15:42:19 70.20, -59.76 55.89 08/14/2023 15:43:31 70.13, -59.39 55.80 15.83 72
5 08/14/2023 16:32:58 -69.95, 107.94 124.36 08/14/2023 16:33:02 -69.97, 108.01 124.35 3.31 4
6 08/14/2023 17:23:41 69.79, -84.51 55.48 08/14/2023 17:22:30 69.80, -84.57 55.51 3.10 71
7 08/17/2023 07:59:06 69.97, 56.37 56.49 08/17/2023 08:00:01 69.99, 56.30 56.50 3.22 55
8 08/17/2023 08:49:48 -69.88,-136.17 123.60 08/17/2023 08:49:31 -69.89,-136.21 123.59 1.55 17
9 08/17/2023 09:40:18 69.03, 32.36 55.53 08/17/2023 09:39:10 69.11, 30.39 55.69 78.84 68
10 08/20/2023 00:15:57 69.97, 172.16 57.35 08/20/2023 00:16:28 70.00, 172.20 57.37 3.22 31
11 08/20/2023 01:06:39 -69.87, -20.38 122.74 08/20/2023 01:05:58 -69.89, -20.31 122.72 3.34 41
12 08/22/2023 15:42:12 -70.50, 119.82 121.23 08/22/2023 15:43:22 -70.42, 121.06 121.36 46.95 70
13 08/22/2023 16:32:47 69.92, -71.98 58.18 08/22/2023 16:32:56 69.92, -72.01 58.18 1.33 9
14 08/22/2023 17:23:29 -69.82, 95.48 121.91 08/22/2023 17:22:26 -69.82, 95.48 121.91 0.52 63

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/10/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230810.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/10/2023 in txt file.

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