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: 9/12/2023
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 09/13/2023 00:16:14 -69.95, -7.91 114.11 09/13/2023 00:16:46 -69.97, -7.89 114.09 2.89 32
2 09/13/2023 01:06:58 69.82, 159.59 65.78 09/13/2023 01:06:14 69.82, 159.54 65.78 2.06 44
3 09/15/2023 15:42:33 70.30, -60.01 67.27 09/15/2023 15:43:44 70.21, -59.30 67.17 28.25 71
4 09/15/2023 16:33:09 -69.90, 107.92 113.13 09/15/2023 16:33:18 -69.88, 107.87 113.15 3.02 9
5 09/15/2023 17:23:53 69.78, -84.58 66.76 09/15/2023 17:22:45 69.78, -84.63 66.77 2.00 68
6 09/18/2023 07:59:23 70.01, 56.21 68.00 09/18/2023 08:00:18 69.99, 56.25 67.97 2.67 55
7 09/18/2023 08:50:04 -69.87,-136.26 112.13 09/18/2023 08:49:48 -69.88,-136.26 112.12 1.04 16
8 09/18/2023 09:40:35 69.05, 32.22 67.05 09/18/2023 09:39:27 69.11, 30.35 67.14 74.60 68
9 09/21/2023 00:16:17 69.93, 172.10 68.96 09/21/2023 00:16:48 69.95, 172.09 68.97 2.25 31
10 09/21/2023 01:06:59 -69.84, -20.46 111.12 09/21/2023 01:06:18 -69.85, -20.43 111.12 1.13 41
11 09/23/2023 15:42:34 -70.40, 119.83 109.54 09/23/2023 15:43:45 -70.27, 120.79 109.69 38.35 71
12 09/23/2023 16:33:11 69.92, -72.12 69.98 09/23/2023 16:33:17 69.89, -72.12 69.95 3.28 6
13 09/23/2023 17:23:52 -69.77, 95.41 110.16 09/23/2023 17:22:47 -69.78, 95.37 110.14 2.09 65

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230912.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/12/2023 in txt file.

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