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: 8/4/2023
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 -70.05, 120.43 126.59 08/06/2023 15:43:36 -70.05, 120.47 126.61 1.48 70
2 08/06/2023 16:33:10 69.95, -72.09 53.30 08/06/2023 16:33:03 69.95, -72.03 53.30 2.24 7
3 08/06/2023 17:23:48 -69.64, 95.67 127.01 08/06/2023 17:22:35 -69.73, 95.30 126.90 17.33 73
4 08/09/2023 07:59:17 -70.02,-123.73 125.88 08/09/2023 08:00:06 -69.99,-123.73 125.92 3.12 49
5 08/09/2023 08:50:01 69.91, 43.74 54.02 08/09/2023 08:49:33 69.88, 43.76 53.99 3.43 28
6 08/09/2023 09:40:25 -68.86,-147.44 127.07 08/09/2023 09:39:19 -68.89,-149.93 126.94 99.56 66
7 08/12/2023 00:16:08 -69.99, -7.90 125.14 08/12/2023 00:16:34 -70.00, -7.82 125.12 3.52 26
8 08/12/2023 01:06:51 69.83, 159.65 54.71 08/12/2023 01:06:02 69.84, 159.59 54.73 2.57 49
9 08/14/2023 15:42:20 70.22, -59.79 55.92 08/14/2023 15:43:31 70.15, -59.36 55.81 18.15 71
10 08/14/2023 16:32:58 -69.91, 108.00 124.40 08/14/2023 16:33:03 -69.94, 107.97 124.38 2.94 5
11 08/14/2023 17:23:42 69.81, -84.54 55.50 08/14/2023 17:22:30 69.82, -84.55 55.52 1.21 72
12 08/17/2023 07:59:06 70.00, 56.33 56.52 08/17/2023 08:00:00 69.99, 56.31 56.50 1.12 54
13 08/17/2023 08:49:48 -69.90,-136.20 123.58 08/17/2023 08:49:30 -69.89,-136.20 123.58 0.71 18
14 08/17/2023 09:40:17 69.00, 32.40 55.50 08/17/2023 09:39:10 69.05, 30.32 55.63 82.80 67

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/4/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230804.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/04/2023 in txt file.

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