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: 1/4/2021
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 01/05/2021 21:22:33 -70.83, 36.57 86.73 01/05/2021 21:23:40 -70.83, 36.60 86.73 1.07 67
2 01/05/2021 22:13:17 70.72,-155.94 93.16 01/05/2021 22:13:07 70.73,-155.91 93.17 1.54 10
3 01/05/2021 23:03:53 -70.36, 11.97 87.22 01/05/2021 23:02:41 -70.40, 11.23 87.16 27.84 72
4 01/08/2021 13:38:56 -70.93, 152.33 86.96 01/08/2021 13:40:07 -70.88, 152.56 87.02 10.25 71
5 01/08/2021 14:29:38 70.72, -40.02 92.82 01/08/2021 14:29:35 70.72, -40.03 92.82 0.72 3
6 01/08/2021 15:20:18 -70.57, 127.56 87.35 01/08/2021 15:19:05 -70.61, 127.43 87.29 6.92 73
7 01/11/2021 05:55:21 -71.14, -92.10 87.13 01/11/2021 05:56:32 -71.04, -91.31 87.27 30.73 71
8 01/11/2021 06:45:59 70.72, 75.91 92.43 01/11/2021 06:46:03 70.71, 75.83 92.42 3.11 4
9 01/11/2021 07:36:41 -70.67,-116.69 87.63 01/11/2021 07:35:32 -70.66,-116.62 87.64 3.02 69
10 01/13/2021 22:11:46 -71.35, 23.46 87.35 01/13/2021 22:12:56 -71.24, 24.89 87.51 52.65 70
11 01/13/2021 23:02:20 70.73,-168.17 91.99 01/13/2021 23:02:30 70.75,-168.23 92.02 3.34 10
12 01/13/2021 23:53:02 -70.68, -0.76 88.07 01/13/2021 23:52:00 -70.64, -0.75 88.10 3.54 62
13 01/16/2021 14:28:11 -71.61, 138.91 87.57 01/16/2021 14:29:18 -71.49, 141.18 87.76 81.10 67
14 01/16/2021 15:18:41 70.79, -52.34 91.56 01/16/2021 15:18:56 70.78, -52.29 91.56 1.71 15
15 01/16/2021 16:09:22 -70.68, 115.16 88.56 01/16/2021 16:08:26 -70.68, 115.18 88.56 1.05 56

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/4/2021
SNOs_Map_FY3D_LANDSAT-8_20210104.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 01/04/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8