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: 5/15/2021
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 05/17/2021 06:56:39 71.10, 73.37 51.61 05/17/2021 06:57:41 71.11, 73.39 51.61 1.03 62
2 05/17/2021 07:47:20 -71.01,-119.15 128.49 05/17/2021 07:47:11 -71.00,-119.16 128.51 1.79 9
3 05/17/2021 08:37:55 70.42, 49.13 50.91 05/17/2021 08:36:45 70.52, 47.75 51.01 52.01 70
4 05/19/2021 23:13:00 71.20,-170.86 51.13 05/19/2021 23:14:11 71.15,-170.67 51.08 8.84 71
5 05/20/2021 00:03:40 -71.06, -3.29 129.02 05/20/2021 00:03:41 -71.04, -3.21 129.04 3.48 1
6 05/20/2021 00:54:22 70.84, 164.39 50.75 05/20/2021 00:53:09 70.89, 164.19 50.80 8.79 73
7 05/22/2021 15:29:26 71.57, -55.57 50.97 05/22/2021 15:30:36 71.46, -54.29 50.85 46.62 70
8 05/22/2021 16:19:59 -71.06, 112.65 129.56 05/22/2021 16:20:12 -71.03, 112.65 129.59 3.55 13
9 05/22/2021 17:10:43 70.95, -79.85 50.32 05/22/2021 17:09:39 70.92, -79.87 50.30 2.58 64
10 05/25/2021 07:45:52 71.99, 59.59 50.91 05/25/2021 07:46:58 71.87, 62.28 50.76 93.78 66
11 05/25/2021 08:36:17 -71.07,-131.42 130.05 05/25/2021 08:36:41 -71.06,-131.42 130.05 0.36 24
12 05/25/2021 09:27:01 70.96, 36.08 49.84 05/25/2021 09:26:08 70.96, 36.06 49.84 0.58 53
13 05/28/2021 00:52:36 -71.08, -15.50 130.49 05/28/2021 00:53:11 -71.09, -15.49 130.48 1.62 35
14 05/28/2021 01:43:20 70.97, 151.99 49.40 05/28/2021 01:42:38 70.99, 151.98 49.42 1.60 42

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/15/2021
SNOs_Map_FY3D_LANDSAT-8_20210516.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/15/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8