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: 7/24/2023
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 07/26/2023 23:25:49 70.26,-175.69 50.96 07/26/2023 23:27:00 70.18,-175.22 50.85 19.88 71
2 07/27/2023 00:16:27 -69.95, -7.91 129.36 07/27/2023 00:16:32 -69.96, -7.90 129.36 1.00 5
3 07/27/2023 01:07:11 69.84, 159.56 50.54 07/27/2023 01:05:59 69.86, 159.60 50.56 2.09 72
4 07/29/2023 15:42:37 70.03, -59.56 51.33 07/29/2023 15:43:34 70.01, -59.58 51.30 2.18 57
5 07/29/2023 16:33:19 -69.93, 107.90 128.77 07/29/2023 16:33:04 -69.91, 107.90 128.79 2.97 15
6 07/29/2023 17:23:50 69.13, -83.64 50.41 07/29/2023 17:22:42 69.19, -85.42 50.55 70.95 68
7 08/01/2023 07:59:27 69.96, 56.32 51.92 08/01/2023 08:00:04 69.98, 56.25 51.93 3.07 37
8 08/01/2023 08:50:09 -69.87,-136.22 128.18 08/01/2023 08:49:34 -69.88,-136.26 128.16 2.12 35
9 08/03/2023 23:25:49 -70.80, 3.48 126.53 08/03/2023 23:26:56 -70.70, 5.54 126.71 76.41 67
10 08/04/2023 00:16:19 69.96, 172.10 52.60 08/04/2023 00:16:34 69.98, 172.14 52.62 3.04 15
11 08/04/2023 01:07:01 -69.86, -20.43 127.50 08/04/2023 01:06:05 -69.83, -20.44 127.52 3.24 56
12 08/06/2023 15:42:26 -70.01, 120.50 126.64 08/06/2023 15:43:38 -70.03, 120.43 126.63 3.01 72
13 08/06/2023 16:33:10 69.91, -72.05 53.27 08/06/2023 16:33:05 69.91, -72.09 53.27 1.58 5
14 08/06/2023 17:23:50 -69.70, 95.58 126.94 08/06/2023 17:22:36 -69.76, 95.34 126.87 11.17 74

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/24/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230725.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/24/2023 in txt file.

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