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: 7/27/2023
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 07/29/2023 15:42:36 70.01, -59.53 51.31 07/29/2023 15:43:33 70.02, -59.57 51.31 1.80 57
2 07/29/2023 16:33:18 -69.92, 107.92 128.78 07/29/2023 16:33:03 -69.91, 107.91 128.79 0.77 15
3 07/29/2023 17:23:49 69.12, -83.61 50.39 07/29/2023 17:22:41 69.20, -85.41 50.56 71.77 68
4 08/01/2023 07:59:28 70.00, 56.26 51.95 08/01/2023 08:00:04 69.98, 56.26 51.93 1.74 36
5 08/01/2023 08:50:10 -69.90,-136.28 128.14 08/01/2023 08:49:34 -69.88,-136.26 128.16 2.86 36
6 08/03/2023 23:25:49 -70.78, 3.50 126.55 08/03/2023 23:26:57 -70.63, 5.44 126.78 73.04 68
7 08/04/2023 00:16:20 69.99, 172.05 52.64 08/04/2023 00:16:34 69.98, 172.13 52.61 3.66 14
8 08/04/2023 01:07:01 -69.84, -20.41 127.52 08/04/2023 01:06:04 -69.87, -20.38 127.48 3.38 57
9 08/06/2023 15:42:26 -70.05, 120.44 126.60 08/06/2023 15:43:36 -70.06, 120.48 126.61 1.78 70
10 08/06/2023 16:33:10 69.95, -72.10 53.30 08/06/2023 16:33:03 69.94, -72.04 53.30 2.19 7
11 08/06/2023 17:23:48 -69.63, 95.68 127.02 08/06/2023 17:22:36 -69.68, 95.23 126.95 18.27 72
12 08/09/2023 07:59:17 -70.00,-123.71 125.90 08/09/2023 08:00:06 -70.00,-123.72 125.91 0.42 49
13 08/09/2023 08:50:01 69.90, 43.75 54.01 08/09/2023 08:49:33 69.88, 43.76 53.99 2.51 28

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/27/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230727.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/27/2023 in txt file.

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