Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between FY3D and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/24/2021
Index Date (FY3D) Time (FY3D) Lat,Lon (FY3D) SZA (FY3D ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/25/2021 19:55:20 -71.12, 58.54 122.44 04/25/2021 19:56:25 -71.09, 58.56 122.47 2.46 65
2 04/25/2021 20:46:03 70.98,-133.93 57.42 04/25/2021 20:45:52 70.99,-133.95 57.43 1.40 11
3 04/25/2021 21:36:38 -70.54, 34.12 123.05 04/25/2021 21:35:27 -70.61, 33.09 122.97 38.82 71
4 04/28/2021 12:11:40 -71.14, 174.43 123.27 04/28/2021 12:12:52 -71.12, 174.48 123.29 2.65 72
5 04/28/2021 13:02:23 71.01, -18.03 56.59 04/28/2021 13:02:19 71.02, -18.03 56.60 1.10 4
6 04/28/2021 13:53:03 -70.83, 149.59 123.61 04/28/2021 13:51:50 -70.85, 149.34 123.58 9.35 73
7 05/01/2021 04:28:05 -71.43, -70.13 123.80 05/01/2021 04:29:16 -71.31, -69.34 123.93 31.12 71
8 05/01/2021 05:18:43 71.04, 97.86 55.80 05/01/2021 05:18:46 71.04, 97.88 55.80 0.79 3
9 05/01/2021 06:09:24 -70.91, -94.61 124.35 05/01/2021 06:08:16 -70.93, -94.66 124.32 2.88 68
10 05/03/2021 20:44:29 -71.67, 45.37 124.35 05/03/2021 20:45:38 -71.60, 47.01 124.44 57.97 69
11 05/03/2021 21:35:03 71.07,-146.26 55.03 05/03/2021 21:35:13 71.06,-146.22 55.02 1.96 10
12 05/03/2021 22:25:44 -70.94, 21.27 125.11 05/03/2021 22:24:43 -70.95, 21.25 125.10 1.20 61
13 05/06/2021 13:00:53 -71.96, 160.77 124.81 05/06/2021 13:01:59 -71.88, 163.37 124.91 90.33 66
14 05/06/2021 13:51:21 71.05, -30.29 54.26 05/06/2021 13:51:39 71.07, -30.32 54.27 2.30 18
15 05/06/2021 14:42:03 -70.98, 137.15 125.83 05/06/2021 14:41:09 -70.97, 137.16 125.84 1.42 54

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/24/2021
SNOs_Map_FY3D_LANDSAT-8_20210424.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/24/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8