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: 5/21/2020
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 05/22/2020 23:25:14 -71.32, 4.32 129.37 05/22/2020 23:26:22 -71.18, 6.30 129.55 72.46 68
2 05/23/2020 00:15:45 70.52, 172.97 49.80 05/23/2020 00:15:59 70.53, 172.95 49.81 1.48 14
3 05/23/2020 01:06:26 -70.43, -19.56 130.30 05/23/2020 01:05:29 -70.42, -19.58 130.30 0.68 57
4 05/25/2020 15:41:41 -71.49, 119.93 129.67 05/25/2020 15:42:47 -71.43, 122.59 129.78 94.43 66
5 05/25/2020 16:32:09 70.54, -71.16 49.34 05/25/2020 16:32:28 70.56, -71.12 49.36 2.77 19
6 05/25/2020 17:22:50 -70.44, 96.32 130.77 05/25/2020 17:21:58 -70.46, 96.35 130.75 1.97 52
7 05/28/2020 08:48:33 70.56, 44.72 48.92 05/28/2020 08:48:58 70.54, 44.72 48.89 3.01 25
8 05/28/2020 09:39:14 -70.46,-147.80 131.19 05/28/2020 09:38:28 -70.43,-147.80 131.22 3.26 46
9 05/31/2020 01:04:55 70.53, 160.67 48.50 05/31/2020 01:05:26 70.56, 160.64 48.52 3.16 31
10 05/31/2020 01:55:37 -70.48, -31.92 131.57 05/31/2020 01:54:56 -70.46, -31.87 131.59 3.00 41
11 06/02/2020 17:21:19 70.56, -83.46 48.17 06/02/2020 17:21:55 70.58, -83.44 48.19 2.68 36
12 06/02/2020 18:12:00 -70.45, 84.04 131.95 06/02/2020 18:11:26 -70.43, 83.96 131.97 3.58 34

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/21/2020
SNOs_Map_FY3D_LANDSAT-8_20200521.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/21/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service