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: 4/14/2021
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 02:50:01 -71.01, -45.03 118.89 04/15/2021 02:50:37 -71.02, -45.06 118.88 2.00 36
2 04/15/2021 03:40:45 70.94, 122.40 61.03 04/15/2021 03:40:04 70.92, 122.42 61.01 2.50 41
3 04/17/2021 19:06:21 -71.02, 70.89 119.83 04/17/2021 19:07:05 -71.02, 70.81 119.83 3.06 44
4 04/17/2021 19:57:05 70.96,-121.69 60.10 04/17/2021 19:56:31 70.97,-121.63 60.11 2.59 34
5 04/20/2021 11:22:41 -71.09,-173.29 120.69 04/20/2021 11:23:31 -71.06,-173.25 120.72 3.29 50
6 04/20/2021 12:13:24 70.97, -5.77 59.18 04/20/2021 12:12:58 70.96, -5.77 59.17 1.61 26
7 04/20/2021 13:03:49 -69.99, 163.12 121.83 04/20/2021 13:02:43 -70.03, 160.49 121.75 99.71 66
8 04/23/2021 03:39:01 -71.11, -57.38 121.57 04/23/2021 03:39:58 -71.10, -57.30 121.58 2.78 57
9 04/23/2021 04:29:44 70.99, 110.13 58.30 04/23/2021 04:29:25 70.99, 110.17 58.30 1.46 19
10 04/23/2021 05:20:14 -70.27, -81.38 122.45 04/23/2021 05:19:05 -70.34, -83.18 122.35 67.74 69
11 04/25/2021 19:55:20 -71.07, 58.61 122.49 04/25/2021 19:56:26 -71.08, 58.54 122.48 2.79 66
12 04/25/2021 20:46:04 71.00,-133.96 57.44 04/25/2021 20:45:52 71.03,-133.90 57.46 3.26 12

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/14/2021
SNOs_Map_FY3D_LANDSAT-8_20210414.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/14/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8