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: 4/18/2021
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 04/20/2021 11:22:41 -71.08,-173.28 120.69 04/20/2021 11:23:31 -71.07,-173.24 120.71 2.08 50
2 04/20/2021 12:13:24 70.96, -5.75 59.17 04/20/2021 12:12:58 70.97, -5.75 59.18 0.85 26
3 04/23/2021 03:39:01 -71.10, -57.37 121.58 04/23/2021 03:39:58 -71.11, -57.30 121.58 2.69 57
4 04/23/2021 04:29:44 70.97, 110.16 58.28 04/23/2021 04:29:25 71.00, 110.18 58.31 3.43 19
5 04/23/2021 05:20:14 -70.26, -81.37 122.45 04/23/2021 05:19:05 -70.35, -83.17 122.34 68.25 69
6 04/25/2021 19:55:21 -71.11, 58.54 122.44 04/25/2021 19:56:26 -71.09, 58.55 122.47 2.84 65
7 04/25/2021 20:46:04 70.99,-133.93 57.42 04/25/2021 20:45:53 70.98,-133.97 57.41 1.73 11
8 04/25/2021 21:36:39 -70.54, 34.12 123.05 04/25/2021 21:35:28 -70.60, 33.08 122.98 39.12 71
9 04/28/2021 12:11:40 -71.13, 174.45 123.28 04/28/2021 12:12:52 -71.12, 174.48 123.30 1.86 72
10 04/28/2021 13:02:23 71.01, -18.03 56.59 04/28/2021 13:02:19 71.01, -18.05 56.59 0.86 4
11 04/28/2021 13:53:03 -70.82, 149.60 123.62 04/28/2021 13:51:50 -70.85, 149.34 123.58 10.13 73
12 05/01/2021 04:28:05 -71.41, -70.11 123.81 05/01/2021 04:29:16 -71.31, -69.34 123.93 29.51 71
13 05/01/2021 05:18:43 71.03, 97.88 55.78 05/01/2021 05:18:46 71.03, 97.87 55.79 0.78 3
14 05/01/2021 06:09:25 -70.95, -94.67 124.31 05/01/2021 06:08:16 -70.93, -94.66 124.33 1.92 69

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/18/2021
SNOs_Map_FY3D_LANDSAT-8_20210418.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/18/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8