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: 4/24/2020
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 04/26/2020 04:41:05 -70.58, -73.52 123.16 04/26/2020 04:41:49 -70.58, -73.56 123.17 1.45 44
2 04/26/2020 05:31:49 70.48, 93.95 56.73 04/26/2020 05:31:16 70.47, 93.92 56.72 1.46 33
3 04/28/2020 20:57:30 -70.63, 42.30 123.96 04/28/2020 20:58:16 -70.62, 42.37 123.97 3.03 46
4 04/28/2020 21:48:13 70.48,-150.14 55.88 04/28/2020 21:47:43 70.51,-150.15 55.91 3.26 30
5 05/01/2020 13:13:54 -70.63, 158.20 124.77 05/01/2020 13:14:44 -70.61, 158.23 124.81 3.24 50
6 05/01/2020 14:04:37 70.48, -34.24 55.06 05/01/2020 14:04:11 70.49, -34.30 55.07 2.60 26
7 05/01/2020 14:55:02 -69.52, 134.54 125.93 05/01/2020 14:53:56 -69.57, 132.03 125.84 97.51 66
8 05/04/2020 05:30:17 -70.63, -85.89 125.56 05/04/2020 05:31:10 -70.64, -85.85 125.56 1.65 53
9 05/04/2020 06:21:01 70.53, 81.58 54.33 05/04/2020 06:20:37 70.52, 81.62 54.32 2.08 24
10 05/04/2020 07:11:28 -69.68,-109.79 126.55 05/04/2020 07:10:20 -69.71,-111.90 126.49 81.37 68
11 05/06/2020 21:46:41 -70.64, 30.01 126.31 05/06/2020 21:47:38 -70.61, 29.99 126.34 2.59 57
12 05/06/2020 22:37:25 70.53,-162.51 53.58 05/06/2020 22:37:04 70.55,-162.46 53.59 2.39 21

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/24/2020
SNOs_Map_FY3D_LANDSAT-8_20200424.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/24/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service