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: 9/12/2021
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 09/12/2021 07:58:48 71.89, 57.34 67.76 09/12/2021 07:59:57 71.78, 59.05 67.64 60.45 69
2 09/12/2021 08:49:19 -71.27,-134.21 112.86 09/12/2021 08:49:34 -71.29,-134.14 112.85 2.91 15
3 09/12/2021 09:40:03 71.17, 33.27 67.06 09/12/2021 09:39:01 71.19, 33.35 67.08 3.62 62
4 09/15/2021 01:05:37 -71.27, -18.26 111.84 09/15/2021 01:06:04 -71.26, -18.30 111.84 1.56 27
5 09/15/2021 01:56:21 71.17, 149.22 68.08 09/15/2021 01:55:31 71.17, 149.19 68.08 1.20 50
6 09/17/2021 17:21:55 -71.27, 97.68 110.80 09/17/2021 17:22:33 -71.29, 97.62 110.79 2.75 38
7 09/17/2021 18:12:39 71.18, -94.84 69.12 09/17/2021 18:12:00 71.19, -94.89 69.13 2.45 39
8 09/20/2021 09:38:13 -71.33,-146.47 109.71 09/20/2021 09:39:01 -71.31,-146.46 109.73 2.03 48
9 09/20/2021 10:28:57 71.23, 21.01 70.21 09/20/2021 10:28:28 71.21, 21.02 70.19 2.61 29
10 09/23/2021 01:54:31 -71.33, -30.53 108.66 09/23/2021 01:55:30 -71.33, -30.56 108.67 1.20 59
11 09/23/2021 02:45:15 71.24, 136.94 71.26 09/23/2021 02:44:57 71.22, 136.92 71.24 1.97 18
12 09/23/2021 03:35:45 -70.56, -54.59 109.41 09/23/2021 03:34:36 -70.63, -56.37 109.35 66.34 69
13 09/25/2021 18:10:49 -71.34, 85.40 107.61 09/25/2021 18:11:59 -71.34, 85.34 107.62 2.28 70
14 09/25/2021 19:01:33 71.24,-107.12 72.31 09/25/2021 19:01:26 71.23,-107.19 72.29 2.88 7
15 09/25/2021 19:52:10 -70.93, 60.74 108.00 09/25/2021 19:50:58 -71.02, 60.11 107.91 24.96 72

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/12/2021
SNOs_Map_FY3D_LANDSAT-8_20210912.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 09/12/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8