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: 4/4/2020
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 04/04/2020 17:39:22 71.15, -89.04 65.06 04/04/2020 17:40:31 71.01, -87.55 64.87 55.99 69
2 04/04/2020 18:29:54 -70.54, 79.29 115.60 04/04/2020 18:30:08 -70.52, 79.33 115.63 3.02 14
3 04/04/2020 19:20:37 70.42,-113.20 64.26 04/04/2020 19:19:35 70.41,-113.18 64.26 0.69 62
4 04/07/2020 09:55:48 71.25, 26.69 64.14 04/07/2020 09:56:56 71.14, 28.53 63.98 66.95 68
5 04/07/2020 10:46:18 -70.53,-164.79 116.62 04/07/2020 10:46:35 -70.54,-164.75 116.62 1.76 17
6 04/07/2020 11:37:01 70.41, 2.72 63.24 04/07/2020 11:36:02 70.43, 2.73 63.27 2.88 59
7 04/10/2020 02:12:14 71.35, 142.43 63.25 04/10/2020 02:13:21 71.27, 144.62 63.11 78.63 67
8 04/10/2020 03:02:42 -70.53, -48.88 117.63 04/10/2020 03:03:03 -70.51, -48.92 117.65 2.19 21
9 04/10/2020 03:53:25 70.40, 118.63 62.23 04/10/2020 03:52:30 70.40, 118.56 62.24 2.70 55
10 04/12/2020 18:28:40 71.50,-101.94 62.42 04/12/2020 18:29:45 71.40, -99.29 62.26 94.42 65
11 04/12/2020 19:19:05 -70.53, 67.03 118.61 04/12/2020 19:19:29 -70.54, 67.00 118.60 1.69 24
12 04/12/2020 20:09:49 70.45,-125.54 61.30 04/12/2020 20:08:56 70.42,-125.53 61.28 3.38 53
13 04/15/2020 11:35:30 -70.58,-177.15 119.52 04/15/2020 11:35:56 -70.57,-177.08 119.54 3.14 26
14 04/15/2020 12:26:13 70.45, -9.64 60.34 04/15/2020 12:25:23 70.45, -9.61 60.33 1.19 50

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/4/2020
SNOs_Map_FY3D_LANDSAT-8_20200404.jpg

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

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service