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: 3/8/2023
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 03/10/2023 07:10:11 -70.11,-111.32 105.70 03/10/2023 07:10:42 -70.13,-111.27 105.69 2.78 31
2 03/10/2023 08:00:55 69.99, 56.16 74.17 03/10/2023 08:00:10 69.97, 56.16 74.15 2.66 45
3 03/12/2023 22:36:25 70.34,-163.22 73.50 03/12/2023 22:37:36 70.26,-162.81 73.40 17.51 71
4 03/12/2023 23:27:03 -70.04, 4.57 106.84 03/12/2023 23:27:08 -70.04, 4.50 106.84 2.58 5
5 03/13/2023 00:17:47 69.92, 172.04 73.04 03/13/2023 00:16:35 69.93, 171.99 73.05 1.88 72
6 03/15/2023 14:53:13 70.14, -47.13 72.22 03/15/2023 14:54:00 70.16, -47.06 72.24 3.57 47
7 03/15/2023 15:43:55 -70.04, 120.33 107.90 03/15/2023 15:43:30 -70.04, 120.41 107.89 2.82 25
8 03/18/2023 06:19:36 -71.00,-100.06 107.91 03/18/2023 06:20:43 -70.92, -97.67 108.09 86.89 67
9 03/18/2023 07:10:05 70.11, 68.68 71.14 03/18/2023 07:10:23 70.10, 68.75 71.11 3.40 18
10 03/18/2023 08:00:46 -69.96,-123.78 109.04 03/18/2023 07:59:53 -69.98,-123.77 109.01 2.33 53
11 03/20/2023 22:36:12 -70.17, 17.07 109.87 03/20/2023 22:37:18 -70.14, 17.08 109.90 2.55 66
12 03/20/2023 23:26:55 70.01,-175.39 69.96 03/20/2023 23:26:45 70.03,-175.44 69.98 2.50 10
13 03/21/2023 00:17:31 -69.60, -7.45 110.49 03/21/2023 00:16:20 -69.64, -8.34 110.41 34.75 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/8/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230309.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/08/2023 in txt file.

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