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: 10/7/2023
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 10/09/2023 15:42:36 -70.77, 119.24 103.00 10/09/2023 15:43:43 -70.68, 121.37 103.10 78.85 67
2 10/09/2023 16:33:05 69.92, -72.11 76.16 10/09/2023 16:33:21 69.92, -72.09 76.16 0.93 16
3 10/09/2023 17:23:47 -69.83, 95.33 103.92 10/09/2023 17:22:51 -69.81, 95.39 103.94 3.24 56
4 10/12/2023 07:59:14 -70.02,-123.80 102.75 10/12/2023 08:00:24 -70.02,-123.72 102.75 2.88 70
5 10/12/2023 08:49:57 69.85, 43.76 77.10 10/12/2023 08:49:52 69.86, 43.70 77.10 2.65 5
6 10/12/2023 09:40:36 -69.60,-148.55 103.14 10/12/2023 09:39:24 -69.64,-148.97 103.10 16.55 72
7 10/15/2023 00:16:06 -69.96, -7.93 101.81 10/15/2023 00:16:54 -69.96, -7.92 101.81 0.63 48
8 10/15/2023 01:06:50 69.85, 159.54 78.10 10/15/2023 01:06:21 69.85, 159.57 78.10 1.24 29
9 10/17/2023 15:42:33 70.91, -60.98 80.14 10/17/2023 15:43:39 70.78, -58.46 80.00 93.07 66
10 10/17/2023 16:32:58 -69.92, 107.91 100.86 10/17/2023 16:33:23 -69.91, 107.90 100.87 1.25 25
11 10/17/2023 17:23:42 69.82, -84.63 79.05 10/17/2023 17:22:50 69.80, -84.62 79.03 2.44 52
12 10/20/2023 07:59:08 70.05, 56.17 80.23 10/20/2023 08:00:19 70.02, 56.30 80.20 6.21 71
13 10/20/2023 08:49:49 -69.90,-136.28 99.92 10/20/2023 08:49:49 -69.92,-136.20 99.90 3.61 0
14 10/20/2023 09:40:30 69.64, 31.42 79.84 10/20/2023 09:39:18 69.69, 31.12 79.89 12.69 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/7/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231007.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/07/2023 in txt file.

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