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: 4/18/2020
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 20:08:17 -70.56, 54.70 121.41 04/20/2020 20:08:54 -70.57, 54.66 121.40 1.77 37
2 04/20/2020 20:59:01 70.46,-137.84 58.48 04/20/2020 20:58:21 70.46,-137.85 58.48 0.58 40
3 04/23/2020 12:24:41 -70.56, 170.60 122.31 04/23/2020 12:25:22 -70.56, 170.53 122.31 2.77 41
4 04/23/2020 13:15:25 70.46, -21.93 57.58 04/23/2020 13:14:49 70.45, -21.99 57.57 2.69 36
5 04/26/2020 04:41:06 -70.61, -73.58 123.13 04/26/2020 04:41:49 -70.61, -73.53 123.14 1.90 43
6 04/26/2020 05:31:49 70.46, 93.97 56.71 04/26/2020 05:31:16 70.49, 93.94 56.74 3.06 33
7 04/28/2020 20:57:30 -70.62, 42.33 123.97 04/28/2020 20:58:17 -70.59, 42.33 124.00 2.61 47
8 04/28/2020 21:48:12 70.47,-150.12 55.87 04/28/2020 21:47:43 70.47,-150.20 55.87 3.04 29
9 05/01/2020 13:13:53 -70.62, 158.23 124.79 05/01/2020 13:14:43 -70.63, 158.26 124.78 1.52 50
10 05/01/2020 14:04:37 70.52, -34.31 55.11 05/01/2020 14:04:10 70.51, -34.28 55.09 2.20 27

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/18/2020
SNOs_Map_FY3D_LANDSAT-8_20200419.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/18/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service