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: 3/12/2023
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 03/12/2023 22:36:29 70.55,-163.56 73.72 03/12/2023 22:37:40 70.44,-162.59 73.56 37.92 71
2 03/12/2023 23:27:04 -70.09, 4.48 106.78 03/12/2023 23:27:14 -70.10, 4.56 106.78 3.11 10
3 03/13/2023 00:17:47 69.92, 172.04 73.04 03/13/2023 00:16:42 69.95, 171.98 73.07 3.28 65
4 03/15/2023 14:53:14 70.11, -47.10 72.20 03/15/2023 14:54:14 70.12, -47.18 72.20 2.83 60
5 03/15/2023 15:43:56 -70.02, 120.36 107.91 03/15/2023 15:43:44 -70.01, 120.30 107.93 2.88 12
6 03/15/2023 16:34:29 69.33, -71.32 71.35 03/15/2023 16:33:20 69.40, -72.88 71.49 61.85 69
7 03/18/2023 07:10:06 70.12, 68.67 71.14 03/18/2023 07:10:40 70.14, 68.74 71.15 3.57 34
8 03/18/2023 08:00:47 -69.97,-123.79 109.03 03/18/2023 08:00:11 -69.98,-123.86 109.02 2.78 36
9 03/20/2023 22:36:24 -70.72, 16.19 109.29 03/20/2023 22:37:33 -70.61, 17.66 109.45 55.45 69
10 03/20/2023 23:26:58 70.09,-175.51 70.04 03/20/2023 23:27:08 70.06,-175.49 70.01 2.88 10
11 03/21/2023 00:17:39 -69.94, -7.97 110.13 03/21/2023 00:16:38 -69.95, -8.01 110.11 2.59 61
12 03/23/2023 14:53:06 -70.17, 132.82 110.92 03/23/2023 14:54:07 -70.16, 132.90 110.94 2.91 61
13 03/23/2023 15:43:49 70.02, -59.63 68.91 03/23/2023 15:43:34 70.05, -59.62 68.94 3.24 15
14 03/23/2023 16:34:22 -69.44, 108.53 111.71 03/23/2023 16:33:12 -69.50, 107.26 111.60 50.07 70

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230312.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/12/2023 in txt file.

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