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: 8/5/2023
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 08/06/2023 15:42:26 -70.02, 120.49 126.64 08/06/2023 15:43:37 -70.04, 120.45 126.62 2.92 71
2 08/06/2023 16:33:10 69.90, -72.03 53.26 08/06/2023 16:33:04 69.93, -72.05 53.29 3.36 6
3 08/06/2023 17:23:49 -69.66, 95.65 126.99 08/06/2023 17:22:36 -69.71, 95.28 126.91 15.90 73
4 08/09/2023 07:59:17 -70.03,-123.74 125.87 08/09/2023 08:00:05 -70.03,-123.67 125.88 2.82 48
5 08/09/2023 08:50:00 69.86, 43.81 53.97 08/09/2023 08:49:33 69.87, 43.74 53.98 2.53 27
6 08/09/2023 09:40:25 -68.87,-147.46 127.06 08/09/2023 09:39:19 -68.88,-149.94 126.95 99.37 66
7 08/12/2023 00:16:07 -69.94, -7.83 125.18 08/12/2023 00:16:35 -69.95, -7.91 125.18 2.95 28
8 08/12/2023 01:06:51 69.83, 159.64 54.72 08/12/2023 01:06:02 69.83, 159.58 54.73 2.19 49
9 08/14/2023 15:42:20 70.22, -59.80 55.92 08/14/2023 15:43:31 70.15, -59.36 55.82 18.43 71
10 08/14/2023 16:32:58 -69.92, 107.99 124.40 08/14/2023 16:33:03 -69.94, 107.97 124.38 2.64 5
11 08/14/2023 17:23:42 69.81, -84.55 55.51 08/14/2023 17:22:30 69.82, -84.54 55.53 1.32 72
12 08/17/2023 07:59:07 70.00, 56.33 56.52 08/17/2023 08:00:01 70.01, 56.32 56.51 0.77 54
13 08/17/2023 08:49:49 -69.90,-136.20 123.58 08/17/2023 08:49:31 -69.91,-136.18 123.57 1.02 18
14 08/17/2023 09:40:18 69.00, 32.40 55.50 08/17/2023 09:39:11 69.07, 30.34 55.65 82.39 67

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/5/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230805.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/05/2023 in txt file.

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