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: 4/20/2019
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 04/22/2019 09:49:44 -70.64,-150.70 121.60 04/22/2019 09:50:43 -70.62,-150.73 121.63 2.53 59
2 04/22/2019 10:40:28 70.53, 16.78 58.28 04/22/2019 10:40:10 70.52, 16.76 58.26 2.18 18
3 04/22/2019 11:30:58 -69.84,-174.84 122.45 04/22/2019 11:29:49 -69.91,-176.47 122.34 63.19 69
4 04/25/2019 02:06:12 -70.66, -34.85 122.48 04/25/2019 02:07:10 -70.67, -34.78 122.48 2.62 58
5 04/25/2019 02:56:56 70.55, 132.64 57.40 04/25/2019 02:56:37 70.56, 132.70 57.41 2.52 19
6 04/25/2019 03:47:26 -69.86, -58.98 123.32 04/25/2019 03:46:17 -69.90, -60.61 123.24 62.57 69
7 04/27/2019 18:22:39 -70.67, 81.01 123.33 04/27/2019 18:23:37 -70.65, 81.08 123.35 3.41 58
8 04/27/2019 19:13:22 70.51,-111.43 56.50 04/27/2019 19:13:04 70.54,-111.45 56.53 3.00 18
9 04/27/2019 20:03:53 -69.88, 56.88 124.17 04/27/2019 20:02:43 -69.95, 55.33 124.07 59.68 70
10 04/30/2019 10:39:06 -70.64,-163.06 124.20 04/30/2019 10:40:05 -70.64,-163.07 124.21 0.64 59
11 04/30/2019 11:29:50 70.53, 4.42 55.68 04/30/2019 11:29:32 70.52, 4.40 55.67 1.77 18
12 04/30/2019 12:20:20 -69.84, 172.81 125.04 04/30/2019 12:19:11 -69.93, 171.18 124.92 62.98 69
13 05/03/2019 02:55:34 -70.66, -47.21 124.99 05/03/2019 02:56:32 -70.67, -47.14 124.99 2.58 58
14 05/03/2019 03:46:18 70.55, 120.27 54.90 05/03/2019 03:45:59 70.55, 120.32 54.89 2.07 19

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2019
SNOs_Map_FY3D_LANDSAT-8_20190420.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 04/20/2019 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service