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: 5/14/2020
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 05/14/2020 22:35:52 -70.70, 17.64 128.30 05/14/2020 22:37:04 -70.68, 17.78 128.33 5.53 72
2 05/14/2020 23:26:35 70.53,-174.77 51.52 05/14/2020 23:26:32 70.51,-174.82 51.50 2.41 3
3 05/15/2020 00:17:15 -70.38, -7.22 128.65 05/15/2020 00:16:02 -70.41, -7.33 128.61 5.78 73
4 05/17/2020 14:52:21 -70.97, 133.10 128.63 05/17/2020 14:53:32 -70.88, 133.95 128.74 32.56 71
5 05/17/2020 15:42:59 70.54, -58.88 50.92 05/17/2020 15:43:03 70.55, -58.90 50.93 0.99 4
6 05/17/2020 16:33:40 -70.44, 108.59 129.19 05/17/2020 16:32:33 -70.45, 108.59 129.18 0.94 67
7 05/20/2020 07:08:51 -71.29,-111.54 128.87 05/20/2020 07:09:59 -71.18,-109.70 129.01 66.95 68
8 05/20/2020 07:59:22 70.55, 57.00 50.37 05/20/2020 07:59:34 70.58, 57.02 50.39 3.38 12
9 05/20/2020 08:50:03 -70.45,-135.52 129.75 05/20/2020 08:49:05 -70.43,-135.57 129.76 2.91 58
10 05/23/2020 00:15:46 70.57, 172.89 49.85 05/23/2020 00:16:08 70.57, 172.85 49.85 1.31 22
11 05/23/2020 01:06:27 -70.46, -19.63 130.26 05/23/2020 01:05:38 -70.48, -19.65 130.25 1.62 49
12 05/25/2020 16:32:10 70.58, -71.23 49.39 05/25/2020 16:32:42 70.61, -71.23 49.41 2.80 32
13 05/25/2020 17:22:52 -70.53, 96.18 130.68 05/25/2020 17:22:12 -70.52, 96.26 130.69 3.31 40

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/14/2020
SNOs_Map_FY3D_LANDSAT-8_20200514.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 05/14/2020 in txt file.

Historical Predictions of SNOs between FY3D and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service