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: 4/16/2021
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 04/17/2021 19:06:21 -71.04, 70.85 119.81 04/17/2021 19:07:04 -71.05, 70.85 119.81 0.49 43
2 04/17/2021 19:57:04 70.92,-121.63 60.06 04/17/2021 19:56:31 70.95,-121.66 60.09 3.03 33
3 04/20/2021 11:22:41 -71.05,-173.23 120.72 04/20/2021 11:23:32 -71.04,-173.29 120.74 2.69 51
4 04/20/2021 12:13:25 70.98, -5.80 59.20 04/20/2021 12:12:58 70.99, -5.72 59.20 2.94 27
5 04/23/2021 03:39:01 -71.06, -57.31 121.61 04/23/2021 03:39:59 -71.08, -57.34 121.61 1.79 58
6 04/23/2021 04:29:45 70.99, 110.12 58.31 04/23/2021 04:29:26 70.97, 110.13 58.28 2.80 19
7 04/23/2021 05:20:14 -70.28, -81.40 122.43 04/23/2021 05:19:05 -70.32, -83.21 122.37 68.06 69
8 04/25/2021 19:55:21 -71.13, 58.51 122.43 04/25/2021 19:56:25 -71.11, 58.59 122.45 3.38 64
9 04/25/2021 20:46:04 71.01,-133.97 57.44 04/25/2021 20:45:52 71.00,-133.94 57.43 1.13 12
10 04/25/2021 21:36:39 -70.56, 34.10 123.03 04/25/2021 21:35:28 -70.57, 33.04 123.00 39.17 71
11 04/28/2021 12:11:41 -71.14, 174.42 123.27 04/28/2021 12:12:52 -71.14, 174.52 123.27 3.37 71
12 04/28/2021 13:02:24 71.02, -18.05 56.60 04/28/2021 13:02:19 71.03, -18.01 56.61 1.90 5
13 04/28/2021 13:53:03 -70.78, 149.67 123.66 04/28/2021 13:51:51 -70.82, 149.29 123.61 14.37 72

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/16/2021
SNOs_Map_FY3D_LANDSAT-8_20210416.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/16/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8