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: 5/17/2020
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 05/20/2020 07:08:47 -71.12,-111.25 129.04 05/20/2020 07:09:57 -71.01,-109.87 129.18 51.03 70
2 05/20/2020 07:59:22 70.53, 57.03 50.35 05/20/2020 07:59:31 70.53, 57.02 50.34 0.98 9
3 05/20/2020 08:50:03 -70.44,-135.49 129.76 05/20/2020 08:49:01 -70.42,-135.50 129.78 1.97 62
4 05/22/2020 23:25:16 -71.40, 4.18 129.28 05/22/2020 23:26:23 -71.28, 6.42 129.45 80.97 67
5 05/23/2020 00:15:46 70.56, 172.91 49.84 05/23/2020 00:16:01 70.57, 172.97 49.85 2.71 15
6 05/23/2020 01:06:27 -70.46, -19.61 130.27 05/23/2020 01:05:31 -70.47, -19.55 130.26 2.62 56
7 05/25/2020 16:32:09 70.58, -71.22 49.38 05/25/2020 16:32:31 70.58, -71.15 49.38 2.87 22
8 05/25/2020 17:22:50 -70.48, 96.26 130.73 05/25/2020 17:22:01 -70.48, 96.34 130.73 2.89 49
9 05/28/2020 08:48:32 70.56, 44.73 48.92 05/28/2020 08:49:03 70.55, 44.69 48.91 1.53 31
10 05/28/2020 09:39:13 -70.45,-147.78 131.20 05/28/2020 09:38:33 -70.46,-147.83 131.20 1.66 40
11 05/31/2020 01:04:56 70.59, 160.59 48.55 05/31/2020 01:05:34 70.60, 160.63 48.56 2.11 38
12 05/31/2020 01:55:37 -70.48, -31.91 131.57 05/31/2020 01:55:04 -70.50, -31.88 131.55 3.13 33

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/17/2020
SNOs_Map_FY3D_LANDSAT-8_20200518.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/17/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service