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: 4/15/2021
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 04/15/2021 03:40:44 70.92, 122.44 61.01 04/15/2021 03:40:04 70.89, 122.38 60.99 3.28 40
2 04/17/2021 19:06:21 -71.05, 70.84 119.80 04/17/2021 19:07:04 -71.04, 70.85 119.81 0.57 43
3 04/17/2021 19:57:04 70.93,-121.64 60.07 04/17/2021 19:56:31 70.94,-121.67 60.08 1.75 33
4 04/20/2021 11:22:41 -71.06,-173.24 120.71 04/20/2021 11:23:31 -71.09,-173.21 120.69 3.22 50
5 04/20/2021 12:13:24 70.94, -5.73 59.16 04/20/2021 12:12:59 70.93, -5.81 59.14 3.36 25
6 04/23/2021 03:39:01 -71.08, -57.33 121.60 04/23/2021 03:39:59 -71.07, -57.35 121.61 0.64 58
7 04/23/2021 04:29:44 70.96, 110.18 58.27 04/23/2021 04:29:26 70.97, 110.13 58.28 2.29 18
8 04/23/2021 05:20:15 -70.30, -81.42 122.42 04/23/2021 05:19:06 -70.31, -83.22 122.38 67.40 69
9 04/25/2021 19:55:20 -71.10, 58.57 122.46 04/25/2021 19:56:25 -71.11, 58.59 122.45 1.72 65
10 04/25/2021 20:46:03 70.97,-133.91 57.41 04/25/2021 20:45:52 71.00,-133.94 57.43 3.09 11
11 04/25/2021 21:36:38 -70.52, 34.15 123.07 04/25/2021 21:35:27 -70.62, 33.12 122.95 39.93 71
12 04/28/2021 12:11:41 -71.17, 174.39 123.24 04/28/2021 12:12:52 -71.14, 174.51 123.27 5.38 71
13 04/28/2021 13:02:24 71.04, -18.09 56.63 04/28/2021 13:02:19 71.03, -18.02 56.61 3.16 5
14 04/28/2021 13:53:03 -70.80, 149.63 123.63 04/28/2021 13:51:50 -70.87, 149.37 123.56 12.03 73

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/15/2021
SNOs_Map_FY3D_LANDSAT-8_20210415.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/15/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8