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: 4/15/2020
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 04/15/2020 11:35:30 -70.57,-177.14 119.53 04/15/2020 11:35:59 -70.57,-177.09 119.54 1.67 29
2 04/15/2020 12:26:13 70.43, -9.60 60.31 04/15/2020 12:25:26 70.46, -9.60 60.35 3.47 47
3 04/18/2020 03:51:54 -70.57, -61.23 120.48 04/18/2020 03:52:27 -70.57, -61.22 120.49 0.45 33
4 04/18/2020 04:42:38 70.48, 106.23 59.42 04/18/2020 04:41:54 70.46, 106.26 59.40 3.03 44
5 04/20/2020 20:08:18 -70.57, 54.68 121.40 04/20/2020 20:08:55 -70.56, 54.65 121.42 1.57 37
6 04/20/2020 20:59:01 70.48,-137.86 58.50 04/20/2020 20:58:20 70.50,-137.79 58.52 3.53 41
7 04/23/2020 12:24:41 -70.57, 170.59 122.30 04/23/2020 12:25:21 -70.60, 170.59 122.27 3.61 40
8 04/23/2020 13:15:25 70.48, -21.96 57.60 04/23/2020 13:14:48 70.49, -21.94 57.61 1.06 37
9 04/26/2020 04:41:05 -70.58, -73.51 123.17 04/26/2020 04:41:49 -70.59, -73.55 123.16 2.07 44
10 04/26/2020 05:31:49 70.48, 93.94 56.73 04/26/2020 05:31:16 70.47, 93.91 56.72 2.01 33
11 04/28/2020 20:57:30 -70.63, 42.30 123.96 04/28/2020 20:58:16 -70.62, 42.38 123.97 3.06 46
12 04/28/2020 21:48:13 70.49,-150.16 55.89 04/28/2020 21:47:43 70.50,-150.16 55.90 1.39 30

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/15/2020
SNOs_Map_FY3D_LANDSAT-8_20200415.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/15/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service