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: 7/15/2021
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 07/15/2021 08:18:27 71.12, 53.32 49.60 07/15/2021 08:18:19 71.14, 53.38 49.62 3.42 8
2 07/15/2021 09:09:04 -70.77,-138.77 130.76 07/15/2021 09:07:52 -70.86,-139.43 130.65 25.88 72
3 07/17/2021 23:44:07 -71.46, 1.35 129.61 07/17/2021 23:45:19 -71.35, 1.95 129.74 24.51 72
4 07/18/2021 00:34:46 71.14, 169.22 50.07 07/18/2021 00:34:48 71.14, 169.26 50.07 1.51 2
5 07/18/2021 01:25:28 -71.05, -23.30 130.02 07/18/2021 01:24:18 -71.03, -23.28 130.04 2.35 70
6 07/20/2021 16:00:33 -71.84, 116.60 128.72 07/20/2021 16:01:41 -71.72, 118.46 128.88 65.81 68
7 07/20/2021 16:51:05 71.17, -74.88 50.59 07/20/2021 16:51:17 71.14, -74.86 50.56 3.23 12
8 07/20/2021 17:41:47 -71.07, 92.61 129.51 07/20/2021 17:40:46 -71.08, 92.69 129.49 3.10 61
9 07/23/2021 09:07:24 71.19, 41.02 51.15 07/23/2021 09:07:45 71.18, 41.10 51.14 2.84 21
10 07/23/2021 09:58:06 -71.08,-151.48 128.96 07/23/2021 09:57:15 -71.08,-151.44 128.96 1.83 51
11 07/26/2021 01:23:41 71.16, 157.01 51.69 07/26/2021 01:24:13 71.17, 156.97 51.70 1.85 32
12 07/26/2021 02:14:23 -71.05, -35.48 128.42 07/26/2021 02:13:43 -71.07, -35.56 128.40 3.27 40
13 07/28/2021 17:40:00 71.19, -87.09 52.33 07/28/2021 17:40:41 71.21, -87.09 52.35 2.10 41
14 07/28/2021 18:30:43 -71.13, 80.33 127.73 07/28/2021 18:30:11 -71.11, 80.39 127.75 3.04 32

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/15/2021
SNOs_Map_FY3D_LANDSAT-8_20210716.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 07/15/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8