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: 4/20/2020
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 04/20/2020 20:59:01 70.45,-137.82 58.47 04/20/2020 20:58:21 70.48,-137.82 58.50 3.49 40
2 04/23/2020 12:24:42 -70.60, 170.54 122.27 04/23/2020 12:25:22 -70.58, 170.56 122.29 2.38 40
3 04/23/2020 13:15:25 70.45, -21.91 57.57 04/23/2020 13:14:49 70.47, -21.96 57.59 2.74 36
4 04/26/2020 04:41:05 -70.61, -73.56 123.14 04/26/2020 04:41:48 -70.62, -73.50 123.12 3.02 43
5 04/26/2020 05:31:49 70.51, 93.90 56.76 04/26/2020 05:31:15 70.51, 93.97 56.76 2.59 34
6 04/28/2020 20:57:29 -70.62, 42.33 123.97 04/28/2020 20:58:16 -70.61, 42.35 123.99 1.06 47
7 04/28/2020 21:48:13 70.52,-150.20 55.92 04/28/2020 21:47:43 70.49,-150.18 55.89 2.97 30
8 05/01/2020 13:13:53 -70.63, 158.22 124.78 05/01/2020 13:14:43 -70.65, 158.29 124.77 3.32 50
9 05/01/2020 14:04:37 70.53, -34.31 55.11 05/01/2020 14:04:10 70.53, -34.25 55.11 2.36 27
10 05/01/2020 14:55:02 -69.57, 134.47 125.88 05/01/2020 14:53:55 -69.61, 132.08 125.80 92.73 67
11 05/04/2020 05:30:17 -70.64, -85.89 125.55 05/04/2020 05:31:11 -70.62, -85.87 125.57 1.85 54
12 05/04/2020 06:21:00 70.49, 81.66 54.28 05/04/2020 06:20:38 70.50, 81.60 54.30 2.89 22

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2020
SNOs_Map_FY3D_LANDSAT-8_20200421.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/20/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service