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: 5/12/2019
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 05/13/2019 20:01:28 -70.94, 55.85 127.60 05/13/2019 20:02:39 -70.82, 56.72 127.74 34.46 71
2 05/13/2019 20:52:06 70.51,-136.14 51.95 05/13/2019 20:52:10 70.50,-136.13 51.93 1.59 4
3 05/13/2019 21:42:47 -70.41, 31.34 128.16 05/13/2019 21:41:40 -70.40, 31.35 128.18 1.94 67
4 05/16/2019 12:17:58 -71.07, 171.51 128.10 05/16/2019 12:19:08 -70.96, 172.81 128.24 48.56 70
5 05/16/2019 13:08:33 70.49, -20.22 51.29 05/16/2019 13:08:42 70.47, -20.29 51.27 3.22 9
6 05/16/2019 13:59:14 -70.39, 147.27 128.83 05/16/2019 13:58:12 -70.37, 147.20 128.84 2.86 62
7 05/19/2019 04:34:28 -71.20, -72.83 128.56 05/19/2019 04:35:37 -71.12, -71.08 128.69 63.71 69
8 05/19/2019 05:25:01 70.52, 95.61 50.72 05/19/2019 05:25:13 70.51, 95.64 50.72 1.20 12
9 05/19/2019 06:15:42 -70.41, -96.89 129.40 05/19/2019 06:14:43 -70.42, -96.87 129.39 1.32 59
10 05/21/2019 20:50:58 -71.39, 42.74 128.93 05/21/2019 20:52:05 -71.28, 45.06 129.08 83.54 67
11 05/21/2019 21:41:27 70.50,-148.47 50.15 05/21/2019 21:41:44 70.51,-148.49 50.16 1.65 17
12 05/21/2019 22:32:09 -70.44, 18.94 129.92 05/21/2019 22:31:14 -70.42, 19.01 129.94 3.30 55
13 05/24/2019 13:57:55 70.53, -32.64 49.67 05/24/2019 13:58:16 70.52, -32.60 49.65 1.96 21
14 05/24/2019 14:48:36 -70.42, 134.86 130.46 05/24/2019 14:47:46 -70.43, 134.90 130.45 2.14 50

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/12/2019
SNOs_Map_FY3D_LANDSAT-8_20190512.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/12/2019 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service