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: 5/6/2023
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 05/07/2023 23:26:08 70.13,-175.47 53.10 05/07/2023 23:26:36 70.13,-175.43 53.10 1.53 28
2 05/08/2023 00:16:49 -69.99, -7.95 127.05 05/08/2023 00:16:06 -70.01, -7.96 127.03 2.41 43
3 05/10/2023 14:52:22 -70.32, 132.68 127.41 05/10/2023 14:53:34 -70.28, 133.02 127.47 13.61 72
4 05/10/2023 15:43:03 70.04, -59.58 52.29 05/10/2023 15:43:03 70.06, -59.64 52.31 3.25 0
5 05/10/2023 16:33:45 -69.96, 107.87 127.81 05/10/2023 16:32:33 -69.95, 107.83 127.81 1.71 72
6 05/13/2023 07:09:15 -70.14,-111.27 128.28 05/13/2023 07:10:02 -70.12,-111.31 128.30 2.09 47
7 05/13/2023 07:59:59 70.02, 56.22 51.59 05/13/2023 07:59:29 70.01, 56.18 51.59 1.84 30
8 05/15/2023 22:35:39 70.79,-163.86 51.76 05/15/2023 22:36:48 70.65,-162.29 51.58 59.50 69
9 05/15/2023 23:26:10 -70.12, 4.52 128.95 05/15/2023 23:26:26 -70.10, 4.55 128.97 1.68 16
10 05/16/2023 00:16:54 70.00, 172.01 50.93 05/16/2023 00:15:53 69.99, 172.03 50.92 1.52 61
11 05/18/2023 14:52:23 70.14, -47.08 50.49 05/18/2023 14:53:21 70.15, -47.12 50.49 2.00 58
12 05/18/2023 15:43:05 -70.05, 120.39 129.62 05/18/2023 15:42:51 -70.05, 120.36 129.62 1.02 14
13 05/18/2023 16:33:37 69.30, -71.21 49.60 05/18/2023 16:32:28 69.38, -72.91 49.72 67.45 69

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/6/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230506.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/06/2023 in txt file.

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