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: 4/23/2019
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 04/25/2019 02:06:11 -70.64, -34.82 122.50 04/25/2019 02:07:10 -70.63, -34.84 122.51 1.22 59
2 04/25/2019 02:56:55 70.53, 132.67 57.38 04/25/2019 02:56:37 70.52, 132.65 57.38 0.83 18
3 04/25/2019 03:47:25 -69.84, -58.95 123.34 04/25/2019 03:46:16 -69.92, -60.58 123.22 62.98 69
4 04/27/2019 18:22:39 -70.66, 81.03 123.34 04/27/2019 18:23:37 -70.67, 81.11 123.34 3.18 58
5 04/27/2019 19:13:23 70.55,-111.48 56.53 04/27/2019 19:13:04 70.56,-111.41 56.55 3.00 19
6 04/27/2019 20:03:53 -69.86, 56.90 124.18 04/27/2019 20:02:44 -69.91, 55.28 124.10 62.37 69
7 04/30/2019 10:39:07 -70.68,-163.12 124.16 04/30/2019 10:40:05 -70.66,-163.04 124.19 3.46 58
8 04/30/2019 11:29:50 70.51, 4.45 55.66 04/30/2019 11:29:32 70.54, 4.43 55.69 3.29 18
9 04/30/2019 12:20:21 -69.88, 172.76 125.00 04/30/2019 12:19:11 -69.95, 171.21 124.90 59.55 70
10 05/03/2019 02:55:33 -70.64, -47.18 125.01 05/03/2019 02:56:32 -70.64, -47.19 125.02 0.94 59
11 05/03/2019 03:46:17 70.53, 120.30 54.88 05/03/2019 03:45:59 70.52, 120.28 54.86 2.10 18
12 05/03/2019 04:36:47 -69.85, -71.31 125.84 05/03/2019 04:35:38 -69.93, -72.94 125.73 62.87 69
13 05/05/2019 19:12:01 -70.66, 68.67 125.76 05/05/2019 19:12:59 -70.66, 68.73 125.77 2.32 58
14 05/05/2019 20:02:45 70.56,-123.85 54.12 05/05/2019 20:02:26 70.54,-123.81 54.11 2.33 19

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/23/2019
SNOs_Map_FY3D_LANDSAT-8_20190423.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/23/2019 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service