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: 3/19/2021
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 03/19/2021 07:15:59 70.94, 68.43 71.33 03/19/2021 07:16:30 70.92, 68.39 71.31 2.66 31
2 03/19/2021 08:06:41 -70.85,-124.09 108.79 03/19/2021 08:05:59 -70.86,-124.08 108.77 1.37 42
3 03/21/2021 23:32:19 70.94,-175.63 70.26 03/21/2021 23:32:58 70.96,-175.68 70.28 3.26 39
4 03/22/2021 00:23:01 -70.84, -8.14 109.86 03/22/2021 00:22:28 -70.85, -8.22 109.85 2.81 33
5 03/24/2021 15:48:40 70.98, -59.78 69.25 03/24/2021 15:49:26 70.99, -59.75 69.26 1.57 46
6 03/24/2021 16:39:22 -70.88, 107.71 110.87 03/24/2021 16:38:56 -70.88, 107.72 110.87 0.28 26
7 03/27/2021 08:04:59 70.98, 56.16 68.20 03/27/2021 08:05:54 70.97, 56.09 68.18 2.79 55
8 03/27/2021 08:55:42 -70.93,-136.43 111.88 03/27/2021 08:55:23 -70.92,-136.35 111.89 3.20 19
9 03/27/2021 09:46:10 70.04, 32.31 67.19 03/27/2021 09:45:03 70.10, 30.07 67.31 85.03 67
10 03/30/2021 00:21:19 70.98, 172.09 67.15 03/30/2021 00:22:22 71.00, 172.01 67.15 3.24 63
11 03/30/2021 01:12:02 -70.93, -20.50 112.93 03/30/2021 01:11:51 -70.95, -20.43 112.91 3.21 11
12 03/30/2021 02:02:36 70.36, 147.75 66.47 03/30/2021 02:01:26 70.40, 146.39 66.55 51.19 70
13 04/01/2021 16:37:40 71.04, -72.07 66.16 04/01/2021 16:38:50 71.02, -72.08 66.14 2.28 70
14 04/01/2021 17:28:22 -70.93, 95.44 113.97 04/01/2021 17:28:20 -70.92, 95.40 113.98 1.79 2
15 04/01/2021 18:19:01 70.62, -96.74 65.71 04/01/2021 18:17:49 70.69, -97.30 65.79 22.00 72

Figure of FY3D and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/19/2021
SNOs_Map_FY3D_LANDSAT-8_20210319.jpg

Download SNOs between FY3D and LANDSAT-8 since TLE EPOCH: 03/19/2021 in txt file.

Historial Predications of SNOs between FY3D and LANDSAT-8