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: 10/19/2023
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 10/20/2023 07:59:11 69.95, 56.30 80.13 10/20/2023 08:00:21 69.97, 56.23 80.15 3.55 70
2 10/20/2023 08:49:53 -69.87,-136.25 99.95 10/20/2023 08:49:51 -69.86,-136.30 99.96 2.17 2
3 10/20/2023 09:40:33 69.53, 31.56 79.73 10/20/2023 09:39:21 69.59, 30.97 79.79 23.58 72
4 10/23/2023 00:16:11 69.96, 172.04 81.09 10/23/2023 00:16:48 69.95, 172.09 81.08 2.28 37
5 10/23/2023 01:06:52 -69.82, -20.43 99.04 10/23/2023 01:06:18 -69.84, -20.43 99.02 2.79 34
6 10/25/2023 15:42:32 -70.37, 119.86 97.59 10/25/2023 15:43:43 -70.28, 120.81 97.67 36.70 71
7 10/25/2023 16:33:09 69.88, -72.09 81.94 10/25/2023 16:33:15 69.90, -72.10 81.96 1.63 6
8 10/25/2023 17:23:51 -69.79, 95.37 98.14 10/25/2023 17:22:45 -69.79, 95.39 98.15 0.66 66
9 10/28/2023 07:59:24 -69.98,-123.79 97.07 10/28/2023 08:00:14 -69.96,-123.75 97.08 2.27 50
10 10/28/2023 08:50:08 69.87, 43.69 82.84 10/28/2023 08:49:41 69.85, 43.74 82.82 2.78 27
11 10/28/2023 09:40:33 -68.86,-147.57 98.15 10/28/2023 09:39:26 -68.92,-149.87 98.11 92.30 67
12 10/30/2023 23:25:51 70.66,-176.42 84.50 10/30/2023 23:26:59 70.53,-174.66 84.37 66.43 68
13 10/31/2023 00:16:21 -69.92, -7.95 96.24 10/31/2023 00:16:38 -69.93, -7.89 96.23 2.54 17
14 10/31/2023 01:07:05 69.81, 159.52 83.67 10/31/2023 01:06:05 69.81, 159.59 83.67 2.63 60

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/19/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231019.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/19/2023 in txt file.

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